Search and explore various Linux commands.
Summarize the situation you want to resolve in up to 300 characters and ask the AI which commands you need.
Click on the desired category to filter the commands. You can also enter a keyword to search for specific content.
usermod Command Guide: Modify User Account Properties
`usermod` command is used to modify the properties of an already created user account in a Linux system. It allows system administrators to easily modify various account information such as the user's home directory, shell, group membership, expiration date, etc., making it an essential tool for maintaining existing accounts. Through this guide, learn the basic usage of `usermod` and its various options.
vcgencmd: Querying Raspberry Pi System Information
`vcgencmd` is a command-line tool used to interact with the GPU firmware of the Raspberry Pi to check various system information. This command allows you to easily query CPU temperature, voltage, clock frequency, memory split, and more.
visudo: Safely Edit sudoers File
`visudo` is a dedicated command for safely editing the `sudoers` file. This file defines which users and groups can use the `sudo` command on the system, and which commands they are allowed to execute. `visudo` provides features like file locking during editing and syntax error checking, preventing system access issues (sudo lockout) caused by corruption of the `sudoers` file.
watch: Monitor command output periodically
The watch command executes a specified command periodically and displays its output in full screen. It is useful for real-time monitoring of system logs, process status, file changes, and more.
write: Send a message to another user
The write command is a utility that allows you to send a direct message to another user currently logged into the system. The text you input is displayed in real-time on the recipient's terminal, making it useful for simple one-on-one communication.