How to install SEToolkit

The Complete Guide to Mastering Basic Linux Commands

Introduction:

Linux, the robust open-source operating system, offers a vast array of commands that empower users to navigate, manipulate, and administer their systems efficiently. Whether you're a beginner or an experienced user, understanding the fundamental Linux commands is crucial for harnessing the true power of this versatile operating system. In this comprehensive guide, we'll explore a wide range of basic Linux commands that will lay a solid foundation for your Linux journey.

1. File and Directory Management:

1.1 ls: List files and directories.

1.2 cd: Change the current working directory.

1.3 pwd: Display the present working directory.

1.4 mkdir: Create directories.

1.5 rmdir: Remove empty directories.

1.6 cp: Copy files and directories.

1.7 mv: Move or rename files and directories.

1.8 rm: Remove files and directories.

2. File Viewing and Editing:

2.1 cat: Display file content.

2.2 less: View file content interactively.

2.3 head: Display the beginning of a file.

2.4 tail: Display the end of a file.

2.5 nano: Basic command-line text editor.

2.6 vi/vim: Powerful text editor for advanced users.

3. File Permissions:

3.1 chmod: Change file permissions.

3.2 chown: Change file ownership.

3.3 chgrp: Change group ownership.

3.4 umask: Set default file permissions.

4. File Searching:

4.1 find: Search for files and directories.

4.2 locate: Find files using a database.

4.3 grep: Search for patterns in files.

4.4 which: Locate the executable of a command.

5. System Information:

5.1 uname: Display system information.

5.2 whoami: Show the current user.

5.3 hostname: Display the hostname of the system.

5.4 df: Report file system disk space usage.

5.5 du: Estimate file and directory space usage.

6. Process Management:

6.1 ps: Display information about active processes.

6.2 top: Monitor system processes in real-time.

6.3 kill: Terminate processes.

6.4 bg: Put a process in the background.

6.5 fg: Bring a background process to the foreground.

7. Networking:

7.1 ifconfig: Configure network interfaces (deprecated, use 'ip' command instead).

7.2 ip: Show or manipulate routing, devices, and tunnels.

7.3 ping: Send ICMP echo requests to a network host.

7.4 ssh: Securely connect to a remote server.

7.5 scp: Securely copy files between local and remote systems.

7.6 wget: Download files from the web.

7.7 curl: Transfer data to or from a server.

Conclusion:

These basic Linux commands serve as a solid foundation for navigating, managing files, and performing essential system tasks. By mastering these commands, you'll gain confidence and efficiency in working with Linux. Remember, this guide only scratches the surface of Linux's vast command-line capabilities. As you delve deeper into the Linux ecosystem, there will always be more to learn and explore. So, embrace the command line, experiment, and unleash the true power of Linux. Happy command-line adventures!