About Linux command
The foundation for learning this powerful OS is understanding Linux commands. This gives you the accuracy and efficiency to handle a wide range of operations, including managing processes, configuring networks, and manipulating files.
Whether you’re a seasoned system administrator optimizing the performance of your server or an inquisitive hobbyist delving into the inner workings of Linux, this guide is an essential tool for you.
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Navigation Commands in Linux: Exploring the File System
Navigation commands in Linux are crucial for moving around the file system within the terminal. They allow users to explore directories, access files, and execute commands from specific locations.
| Linux Command | Linux Command Info | Ls | List files and directories in the current directory |
|---|---|
| cd | Change the current directory |
| mkdir | Create a new directory |
| cp | Copy files or directories |
| mv | Move or rename files or directories |
File command in linux
The “file” command in Linux is a powerful utility tool in the Linux terminal that provides users with detailed information about the nature and type of a file. While the file extension can often hint at the file type, the ‘file’ command goes beyond relying solely on these extensions. It analyzes the file’s content and provides a more accurate identification, making it a valuable asset for system administrators, developers, and general users alike.
| Linux Command | Linux Command Info | cat | Display the contents of a file |
|---|---|
| vi | Open a text editor (Vim) |
| nano | Open a text editor (Nano) |
| more | View text files page by page |
| touch | Create an empty file |
| less | View text files page by page |
| chmod | Change file permissions |
| chown | Change file ownership |
| dd | Convert and copy files |
| ln | Create symbolic or hard links |
| rm | Remove files or directories |
| diff | Compare two files |
| base64 | Encode or decode data in base64 format |
User Management Commands in Linux
User management commands in Linux enable administrators to create, edit, and manage user accounts, thereby improving system security and access control. These commands allow administrators to quickly manage user-related configurations.
| Linux Command | Linux Command Info | passwd | Change user password |
|---|---|
| sudo | Execute a command as another user with privileges |
| useradd | Create a new user |
| cp | Copy files or directories |
| usermod | Modify user account settings |
| userdel | Delete a user |
| groupadd | Create a new group |
| groupmod | Modify a group |
| SSH | Secure Shell for remote access |