Apr 21, 2013 · first I have to say sorry that i could not know the correct whether it call system log or system history . I am going to implement a web system which need to fill up various form, I plan to come out a table to record all the single step like insert, update, delete including with old data and new data. Jul 11, 2018 · Basic object-oriented PHP login, logout, and registration scripts. I am new to OOP in general and have recently started trying to develop object-oriented PHP code instead of relying on a primarily procedural style, as this is a requirement for my studies. One part of this involves websites that may handle data exchange and connect to MySQL ... Nov 4, 2019 · Open up your command prompt and run the following command to create a new directory in your htdocs folder. cd xampp/htdocs mkdir phplogin cd phplogin. Or if you prefer to do it manually then go to ... Sep 11, 2014 · Wordpress login system is alredy secured but if you want to add your external authentication, insead of building all the login system by yourself, you can simply call your external API using the wp_login action hook. The wp_login action hook is triggered when a user logs in using the standard wp-login page, and you can execute your code there. In some cases, developers or system administrators may specify custom log locations either within the application code (using error_log() function in PHP) or at the server level. How to Find php.ini: To find which php.ini file is being used by your PHP installation: Create a PHP file (e.g., phpinfo.php) with the following content: Dec 3, 2021 · Using JavaScript, logging to console is as simple as this: console.log ("Message here"); In this post, we will guide you on logging to the console in PHP. We will also explain why logging within PHP can benefit you. Furthermore, we’ll tackle how it’s just as easy as logging to console using JavaScript. See full list on betterstack.com Sep 4, 2015 · Where can I find the built-in PHP server logs on Windows 10, knowing that my PHP installation is in c:\php and that I am running my application from NetBeans? Are these logs always created? This question follows another question. I have seen this SO question, but there is no c:\php\logs\ on my laptop. Update. I have set the following in my php.ini: syslog — Generate a system log message Description ¶ syslog ( int $priority, string $message ): true syslog () generates a log message that will be distributed by the system logger. For information on setting up a user defined log handler, see the syslog.conf (5) Unix manual page. r"," "],"stylingDirectives":null,"csv":null,"csvError":null,"dependabotInfo":{"showConfigurationBanner":false,"configFilePath":null,"networkDependabotPath ... Feb 8, 2021 · CREATE TABLE users( id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, username VARCHAR(50) NOT NULL UNIQUE, password VARCHAR(255) NOT NULL, created_at DATETIME DEFAULT CURRENT_TIMESTAMP ); CREATE TABLE details( id INT NOT NULL PRIMARY KEY, first_name VARCHAR(30) NOT NULL, last_name VARCHAR(30) NOT NULL, email VARCHAR(70) NOT NULL UNIQUE, age VARCHAR(10) NOT NULL ); my table is like this Mr Tan, i ... Jul 11, 2018 · Basic object-oriented PHP login, logout, and registration scripts. I am new to OOP in general and have recently started trying to develop object-oriented PHP code instead of relying on a primarily procedural style, as this is a requirement for my studies. One part of this involves websites that may handle data exchange and connect to MySQL ... Aug 1, 2023 · File System Related Extensions Human Language and Character Encoding Support ... log (PHP 4, PHP 5, PHP 7, PHP 8) log — Natural logarithm. Description. A syslog is a record of errors and other technical information that can be useful to developers. It usually doesn't include personal information other than your device's name and the names of apps and packages you have running. Here are a couple of ways to send this to a developer who has asked you for it. Nov 16, 2021 · Photo by Florian Olivo on Unsplash. In this tutorial I illustrate a practical example to learn arrays in PHP. The idea is to implement a service that allows users to log in to a system and to view ... Mar 18, 2018 · 1 . Untuk memulai tutorial dan project membuat login dengan PHP dan MySQLi seperti di contoh ini, silahkan buat sebuah folder baru dengan nama login pada direktori localhost teman-teman. 2 . Buat sebuah database baru dengan nama akademik. kemudian buat sebuah tabel baru dengan nama admin dalam database akademik. isi dari tabel admin yaitu id ... Apr 29, 2019 · The PHP system logger creates logs automatically when the execution of your code produces an error. Additionally, you can create logs by calling PHP’s logging functions as you need to log custom errors and arbitrary events in your application. In this section, we’ll look at how logs are created and routed by each of these mechanisms. Apr 29, 2019 · The PHP system logger creates logs automatically when the execution of your code produces an error. Additionally, you can create logs by calling PHP’s logging functions as you need to log custom errors and arbitrary events in your application. In this section, we’ll look at how logs are created and routed by each of these mechanisms. Jun 9, 2023 · Create Simple Login Form In PHP. User Profile Page PHP File. 1. Create a Database Connection File. In this step, you need to create a file name db.php and update the below code into your file. The below code is used to create a MySQL database connection in PHP. When you need to insert form data into MySQL database, there you will include this file: May 17, 2020 · Step 2: Creating a Login System in PHP. After creating the login form in HTML, we will write a code to validate login credentials. On form submit we will check that the email and password are filled. If they filled then we will execute a SELECT query to find the record in a database on the basis of email and password. Jan 17, 2023 · In this specific case, it’s a WordPress system logging an unexpected condition (a Notice) when running some PHP code. Logs like these are being generated all the time tirelessly — by database tools like MySQL, web servers like Apache, programming languages and environments, mobile devices, and even operating systems. In some cases, developers or system administrators may specify custom log locations either within the application code (using error_log() function in PHP) or at the server level. How to Find php.ini: To find which php.ini file is being used by your PHP installation: Create a PHP file (e.g., phpinfo.php) with the following content: Mar 27, 2015 · this problem happens When the system cant create the storage folder which contains the logs cache and modification folders because of permissions problems ,some times the problem happens after storage directory transfer from the dash board , so to solve the problem you need to do the following Sep 4, 2015 · This displays c:\php\logs\php_errors.log, but I do not see the log file in this directory. Update II Some logs have been generated in c:\php\logs\ for a separate issue. Sep 4, 2015 · Where can I find the built-in PHP server logs on Windows 10, knowing that my PHP installation is in c:\php and that I am running my application from NetBeans? Are these logs always created? This question follows another question. I have seen this SO question, but there is no c:\php\logs\ on my laptop. Update. I have set the following in my php.ini: r"," "],"stylingDirectives":null,"csv":null,"csvError":null,"dependabotInfo":{"showConfigurationBanner":false,"configFilePath":null,"networkDependabotPath ... Mar 27, 2015 · this problem happens When the system cant create the storage folder which contains the logs cache and modification folders because of permissions problems ,some times the problem happens after storage directory transfer from the dash board , so to solve the problem you need to do the following Feb 4, 2021 · Almost all of the answers on this page rely on checking a session variable's existence to validate a user login. That is absolutely fine, but it is important to consider that the PHP session state is not unique to your application if there are multiple virtual hosts/sites on the same bare metal. Frameworks included are Laravel, Drupal, Zend Framework, Symfony, and Magento. Some of the examples included pertain to specific versions and others to the current version. is a popular full-stack framework. True to its philosophy of reusing the best components available, Laravel chose as its logging functionality. Viewing Event Logs. To list logs on a Windows system, you can use the command: Get-WinEvent -LogName <LogName> Where <LogName> is the name is one of the logs in the output of Get-WinEvent -ListLog *. For example, to view all the Application log records on a local Windows system, use this command: Get-WinEvent -LogName 'Application' Jun 10, 2020 · I'm updating this question because after 2 months, I still can't solve the problem of creating sign-in into the system. I have followed the tutorial at php sql server manual but my login is still d... Jun 23, 2021 · The created home.php file is the destination or landing page for users who successfully log in to the web system. The created profile.php file associates a successfully logged-in user with their populated and personalized user account details. Our login form design. For our PHP and MySQL loin script to work, we need to create a login form from ... Feb 4, 2021 · Almost all of the answers on this page rely on checking a session variable's existence to validate a user login. That is absolutely fine, but it is important to consider that the PHP session state is not unique to your application if there are multiple virtual hosts/sites on the same bare metal. the message "No index used in query/prepared statement" not is about your code PHP it's about the design of your table, simply ADD a index to your table. really the best is turn ON the error/warnings in DEVELOP: Sep 21, 2019 · How to use Sessions and MySQL for login. All you need to know about security. …and more. So: if you need to work on a PHP login system, this is the guide you are looking for. Let’s get started. STEP 3. Add, Edit And Delete Accounts. Login And Logout. Examples and Download. Jun 9, 2023 · Create Simple Login Form In PHP. User Profile Page PHP File. 1. Create a Database Connection File. In this step, you need to create a file name db.php and update the below code into your file. The below code is used to create a MySQL database connection in PHP. When you need to insert form data into MySQL database, there you will include this file: In some cases, developers or system administrators may specify custom log locations either within the application code (using error_log() function in PHP) or at the server level. How to Find php.ini: To find which php.ini file is being used by your PHP installation: Create a PHP file (e.g., phpinfo.php) with the following content: Sep 4, 2015 · Where can I find the built-in PHP server logs on Windows 10, knowing that my PHP installation is in c:\php and that I am running my application from NetBeans? Are these logs always created? This question follows another question. I have seen this SO question, but there is no c:\php\logs\ on my laptop. Update. I have set the following in my php.ini: Jun 9, 2023 · Create Simple Login Form In PHP. User Profile Page PHP File. 1. Create a Database Connection File. In this step, you need to create a file name db.php and update the below code into your file. The below code is used to create a MySQL database connection in PHP. When you need to insert form data into MySQL database, there you will include this file: Mar 18, 2018 · 1 . Untuk memulai tutorial dan project membuat login dengan PHP dan MySQLi seperti di contoh ini, silahkan buat sebuah folder baru dengan nama login pada direktori localhost teman-teman. 2 . Buat sebuah database baru dengan nama akademik. kemudian buat sebuah tabel baru dengan nama admin dalam database akademik. isi dari tabel admin yaitu id ... This guide explores the basics of logging in PHP, including how to configure logging, where logs are located, and how logging can help you be more effective when troubleshooting and monitoring your PHP applications. It’s always good to have a handle on the basics, so this article covers the error log built into PHP. Jul 19, 2022 · The login page in PHP shows the UI elements like social login, forgot password and etc. It posts data to process a username/password-based login authentication. This example uses the database to authenticate the user login. This PHP login system is capable of linking the following code to the additional login form controls. Mar 18, 2018 · 1 . Untuk memulai tutorial dan project membuat login dengan PHP dan MySQLi seperti di contoh ini, silahkan buat sebuah folder baru dengan nama login pada direktori localhost teman-teman. 2 . Buat sebuah database baru dengan nama akademik. kemudian buat sebuah tabel baru dengan nama admin dalam database akademik. isi dari tabel admin yaitu id ... Jan 1, 2012 · And since there is that check at the top of header.php, the session will be recreated and the user can function as a logged in user as normal. Log Out: Step 1: Both the userinfo session and the active_session cookie are unset. Jun 12, 2020 · Once you’re done creating the user table, you need to create a PHP configuration script for connecting to the MySQL database. To do so, place the following code in a new file named config.php. Here, you must replace the connection parameters with yours before testing the server connection. Replace the database name “logintest” with your ... Feb 8, 2021 · CREATE TABLE users( id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, username VARCHAR(50) NOT NULL UNIQUE, password VARCHAR(255) NOT NULL, created_at DATETIME DEFAULT CURRENT_TIMESTAMP ); CREATE TABLE details( id INT NOT NULL PRIMARY KEY, first_name VARCHAR(30) NOT NULL, last_name VARCHAR(30) NOT NULL, email VARCHAR(70) NOT NULL UNIQUE, age VARCHAR(10) NOT NULL ); my table is like this Mr Tan, i ... Manage your account and view your order history. Customer service toll-free number (US): 1 (877) 277-8818 Nov 16, 2021 · Photo by Florian Olivo on Unsplash. In this tutorial I illustrate a practical example to learn arrays in PHP. The idea is to implement a service that allows users to log in to a system and to view ... Jul 11, 2018 · Basic object-oriented PHP login, logout, and registration scripts. I am new to OOP in general and have recently started trying to develop object-oriented PHP code instead of relying on a primarily procedural style, as this is a requirement for my studies. One part of this involves websites that may handle data exchange and connect to MySQL ... Mar 12, 2014 · Viewed 9k times. Part of PHP Collective. 3. i was exploring php and i found system.out and systemout. php says that's they are strings, but they don't act like strings. Here are some examples. system.out.print ('test'); //output test system.out.var_dump ('system.out'); // output string (9) "systemout" systemout.var_dump ('test'); // output ... In some cases, developers or system administrators may specify custom log locations either within the application code (using error_log() function in PHP) or at the server level. How to Find php.ini: To find which php.ini file is being used by your PHP installation: Create a PHP file (e.g., phpinfo.php) with the following content: Mar 12, 2014 · Viewed 9k times. Part of PHP Collective. 3. i was exploring php and i found system.out and systemout. php says that's they are strings, but they don't act like strings. Here are some examples. system.out.print ('test'); //output test system.out.var_dump ('system.out'); // output string (9) "systemout" systemout.var_dump ('test'); // output ... Sep 11, 2014 · Wordpress login system is alredy secured but if you want to add your external authentication, insead of building all the login system by yourself, you can simply call your external API using the wp_login action hook. The wp_login action hook is triggered when a user logs in using the standard wp-login page, and you can execute your code there. Sep 11, 2014 · Wordpress login system is alredy secured but if you want to add your external authentication, insead of building all the login system by yourself, you can simply call your external API using the wp_login action hook. The wp_login action hook is triggered when a user logs in using the standard wp-login page, and you can execute your code there. Mar 27, 2015 · this problem happens When the system cant create the storage folder which contains the logs cache and modification folders because of permissions problems ,some times the problem happens after storage directory transfer from the dash board , so to solve the problem you need to do the following Frameworks included are Laravel, Drupal, Zend Framework, Symfony, and Magento. Some of the examples included pertain to specific versions and others to the current version. is a popular full-stack framework. True to its philosophy of reusing the best components available, Laravel chose as its logging functionality. Apr 21, 2013 · first I have to say sorry that i could not know the correct whether it call system log or system history . I am going to implement a web system which need to fill up various form, I plan to come out a table to record all the single step like insert, update, delete including with old data and new data. Jun 23, 2021 · The created home.php file is the destination or landing page for users who successfully log in to the web system. The created profile.php file associates a successfully logged-in user with their populated and personalized user account details. Our login form design. For our PHP and MySQL loin script to work, we need to create a login form from ... A syslog is a record of errors and other technical information that can be useful to developers. It usually doesn't include personal information other than your device's name and the names of apps and packages you have running. Here are a couple of ways to send this to a developer who has asked you for it. Jun 30, 2022 · Navigate to Status > System Logs. Click the tab for the log to search. Click in the breadcrumb bar to open the Advanced Log Filter panel. Enter the search criteria, for example, enter text or a regular expression in the Message field. Click Apply Filter. The filtering fields vary by log tab, but may include: Message. syslog — Generate a system log message Description ¶ syslog ( int $priority, string $message ): true syslog () generates a log message that will be distributed by the system logger. For information on setting up a user defined log handler, see the syslog.conf (5) Unix manual page. Dec 3, 2021 · Using JavaScript, logging to console is as simple as this: console.log ("Message here"); In this post, we will guide you on logging to the console in PHP. We will also explain why logging within PHP can benefit you. Furthermore, we’ll tackle how it’s just as easy as logging to console using JavaScript. Mar 6, 2014 · Part of PHP Collective. 24. This program only returns the client machine name in localhost only. echo gethostbyaddr ($_SERVER ['REMOTE_ADDR']); If it is run from an online server, then computer name is not shown and some other information is being shown. So is there anyway to get the computer name in php when the program runs from online server. Jul 11, 2023 · Laravel, a popular framework for building PHP projects, has a robust logging system that allows you to send log messages to files, system logs, and various other destinations. Logging in Laravel is channel-based, and each channel defines a specific way of writing log messages. Feb 4, 2021 · Almost all of the answers on this page rely on checking a session variable's existence to validate a user login. That is absolutely fine, but it is important to consider that the PHP session state is not unique to your application if there are multiple virtual hosts/sites on the same bare metal. Jun 12, 2020 · Once you’re done creating the user table, you need to create a PHP configuration script for connecting to the MySQL database. To do so, place the following code in a new file named config.php. Here, you must replace the connection parameters with yours before testing the server connection. Replace the database name “logintest” with your ... Jan 9, 2023 · That said, here are the common directories for php.ini file depending on the operating system: CLI – /etc/php/7.4/cli/php.ini. Note that changing the PHP ... Dec 15, 2019 · Here are Seven pretty simple steps you have to follow to create a login system. Create a Database and Database Table. Connect to the Database. Session Create for Logged in User. Create a Registration and Login Form. Make a Dashboard Page. Create a Logout (Destroy session) CSS File Create. Sep 21, 2019 · How to use Sessions and MySQL for login. All you need to know about security. …and more. So: if you need to work on a PHP login system, this is the guide you are looking for. Let’s get started. STEP 3. Add, Edit And Delete Accounts. Login And Logout. Examples and Download. Mar 2, 2022 · A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. May 6, 2021 · Logging errors is considered one of the top “best practices” in software development; it becomes more important as your apps grow and scale. We would like to show you a description here but the site won’t allow us. Visit the FBI's privacy policy page for more information on the FBI's general privacy policy. If this is an emergency, call 911. Do not submit this form. This form is used to report federal crimes and submit tips regarding terrorist activity. If you are reporting Internet-based fraud, please submit a tip to IC3.gov. Jul 19, 2022 · The login page in PHP shows the UI elements like social login, forgot password and etc. It posts data to process a username/password-based login authentication. This example uses the database to authenticate the user login. This PHP login system is capable of linking the following code to the additional login form controls. Mar 2, 2022 · A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Environment Setup. Now, we need to start the webserver and create the files for the login system. There are few steps that are given below to setup the environment. Open the XAMPP Control Panel. Start the Apache server by clicking on the Start button. Start the MySQL by clicking on the Start button. Create all the files needed for login. If the data is correct, the user gets logged in and sent to the dashboard page. It also sets the user login session. When authenticating the user, the user id gets stored in a php session. We use the PHP $_SESSION super global variable that will contain the user’s ID. And when the user logs out, the session id gets unset, and the session gets ... syslog — Generate a system log message Description ¶ syslog ( int $priority, string $message ): true syslog () generates a log message that will be distributed by the system logger. For information on setting up a user defined log handler, see the syslog.conf (5) Unix manual page. Jan 1, 2012 · And since there is that check at the top of header.php, the session will be recreated and the user can function as a logged in user as normal. Log Out: Step 1: Both the userinfo session and the active_session cookie are unset. Viewing Event Logs. To list logs on a Windows system, you can use the command: Get-WinEvent -LogName <LogName> Where <LogName> is the name is one of the logs in the output of Get-WinEvent -ListLog *. For example, to view all the Application log records on a local Windows system, use this command: Get-WinEvent -LogName 'Application' Oct 31, 2014 · PHP Collective See more This question is in a collective: a subcommunity defined by tags with relevant content and experts. The Overflow Blog Feb 4, 2021 · Almost all of the answers on this page rely on checking a session variable's existence to validate a user login. That is absolutely fine, but it is important to consider that the PHP session state is not unique to your application if there are multiple virtual hosts/sites on the same bare metal. Sep 9, 2019 · When i share a post with my app i got this issue: Notice: Undefined index: log_path in /tjgnsdl1234/www/system/core/Log.php on line 118 Notice: Undefined index: log ... r"," "],"stylingDirectives":null,"csv":null,"csvError":null,"dependabotInfo":{"showConfigurationBanner":false,"configFilePath":null,"networkDependabotPath ... Jul 11, 2023 · Laravel, a popular framework for building PHP projects, has a robust logging system that allows you to send log messages to files, system logs, and various other destinations. Logging in Laravel is channel-based, and each channel defines a specific way of writing log messages. Sep 11, 2014 · Wordpress login system is alredy secured but if you want to add your external authentication, insead of building all the login system by yourself, you can simply call your external API using the wp_login action hook. The wp_login action hook is triggered when a user logs in using the standard wp-login page, and you can execute your code there. Sep 11, 2014 · Wordpress login system is alredy secured but if you want to add your external authentication, insead of building all the login system by yourself, you can simply call your external API using the wp_login action hook. The wp_login action hook is triggered when a user logs in using the standard wp-login page, and you can execute your code there. Dec 21, 2022 · Log files are a historical record of everything and anything that happens within a system, including events such as transactions, errors and intrusions. That data can be transmitted in different ways and can be in both structured, semi-structured and unstructured format. The timestamp – the exact time at which the event logged occurred ... See full list on betterstack.com Jan 17, 2023 · In this specific case, it’s a WordPress system logging an unexpected condition (a Notice) when running some PHP code. Logs like these are being generated all the time tirelessly — by database tools like MySQL, web servers like Apache, programming languages and environments, mobile devices, and even operating systems. Feb 8, 2021 · CREATE TABLE users( id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, username VARCHAR(50) NOT NULL UNIQUE, password VARCHAR(255) NOT NULL, created_at DATETIME DEFAULT CURRENT_TIMESTAMP ); CREATE TABLE details( id INT NOT NULL PRIMARY KEY, first_name VARCHAR(30) NOT NULL, last_name VARCHAR(30) NOT NULL, email VARCHAR(70) NOT NULL UNIQUE, age VARCHAR(10) NOT NULL ); my table is like this Mr Tan, i ...
Jul 11, 2023 · Laravel, a popular framework for building PHP projects, has a robust logging system that allows you to send log messages to files, system logs, and various other destinations. Logging in Laravel is channel-based, and each channel defines a specific way of writing log messages. . What time do arby
Visit the FBI's privacy policy page for more information on the FBI's general privacy policy. If this is an emergency, call 911. Do not submit this form. This form is used to report federal crimes and submit tips regarding terrorist activity. If you are reporting Internet-based fraud, please submit a tip to IC3.gov. Jul 27, 2018 · LOG is the file extension for an automatically produced file that contains a record of events from certain software and operating systems. While they can contain a number of things, log files are often used to show all events associated with the system or application that created them. For example, your backup program might keep log files ... sets it to delay opening the syslog connection until the first syslog () call has occurred. sets LOG_LOCAL0 as the default logging facility. Here’s what the contents of the log file would look like after running the above code: # cat /var/log/my/info.log Mar 2 00:23:29 log-sandbox 54f39161a2e55: It works! May 17, 2020 · Step 2: Creating a Login System in PHP. After creating the login form in HTML, we will write a code to validate login credentials. On form submit we will check that the email and password are filled. If they filled then we will execute a SELECT query to find the record in a database on the basis of email and password. Jul 11, 2023 · Laravel, a popular framework for building PHP projects, has a robust logging system that allows you to send log messages to files, system logs, and various other destinations. Logging in Laravel is channel-based, and each channel defines a specific way of writing log messages. © APS, Inc. 2004-2023 Server: 192.168.128.37 Server: 192.168.128.37 r"," "],"stylingDirectives":null,"csv":null,"csvError":null,"dependabotInfo":{"showConfigurationBanner":false,"configFilePath":null,"networkDependabotPath ... Feb 8, 2021 · CREATE TABLE users( id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, username VARCHAR(50) NOT NULL UNIQUE, password VARCHAR(255) NOT NULL, created_at DATETIME DEFAULT CURRENT_TIMESTAMP ); CREATE TABLE details( id INT NOT NULL PRIMARY KEY, first_name VARCHAR(30) NOT NULL, last_name VARCHAR(30) NOT NULL, email VARCHAR(70) NOT NULL UNIQUE, age VARCHAR(10) NOT NULL ); my table is like this Mr Tan, i ... Jun 12, 2020 · Once you’re done creating the user table, you need to create a PHP configuration script for connecting to the MySQL database. To do so, place the following code in a new file named config.php. Here, you must replace the connection parameters with yours before testing the server connection. Replace the database name “logintest” with your ... Oct 25, 2021 · In this PHP login system script, we will implement the following functionality with PHP and MySQL. Registration to create a user account. User account validation. User authentication with PHP SESSION. User account view. Before getting started to build User Login System with PHP, take a look at the file structure. the message "No index used in query/prepared statement" not is about your code PHP it's about the design of your table, simply ADD a index to your table. really the best is turn ON the error/warnings in DEVELOP: Jul 27, 2018 · LOG is the file extension for an automatically produced file that contains a record of events from certain software and operating systems. While they can contain a number of things, log files are often used to show all events associated with the system or application that created them. For example, your backup program might keep log files ... .