What are the CLI commands?

CLI commands include file and directory management, system configuration and management, process management, system information, etc. Detailed introduction: 1. File and directory management commands include ls, cd, mkdir, rm, cp, and mv commands; 2. System configuration and management commands include sudo, apt-get, yum, ifconfig, ping, and ssh commands; 3. Process Management commands include ps, kill, and top commands; 4. System information commands include uname, df, free, uptime commands, etc.

CLI (Command Line Interface) is a user interface that interacts through text commands. CLI commands can be used to perform various operations, including file management, system configuration, network management, etc. Here are some common CLI command examples:

1. File and directory management:

   • ls: List files and folders in the current directory.
   • cd: Switch the current working directory.
   • mkdir: Create a new directory.
   • rm: Delete files or directories.
   • cp: Copy files or directories.
   • mv: Move files or directories.

2. System configuration and management:

   • sudo: Execute commands with superuser privileges.
   • apt-get: used to install, update and remove software packages on Ubuntu systems.
   • yum: Used to install, update and remove software packages on CentOS systems.
   • ifconfig: View and configure network interfaces.
   • ping: Test network connection.
   • ssh: Remotely log in to other computers through the SSH protocol.

3. Process management:

   • ps: List currently running processes.
   • kill: Terminate the specified process.
   • top: Dynamically displays the processes and resource usage in the system.

4. System information:

   • uname: Display system information.
   • df: Display disk space usage.
   • free: Display memory usage.
   • uptime: Displays the running time of the system.

Please note that different operating systems and command line tools may have different command and parameter options. When using CLI commands, make sure you understand the specific commands and usage for the operating system and tool you are using.

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