Programmers in JustAskDavidB should have general knowledge about Linux commands

[andrew-zhouu]

Linux commands used in Git Bash

[jasalise]

Linux Commands

A "Linux command" refers to any command or instruction entered into a terminal or shell on a Linux operating system. Linux commands are used to perform various tasks, such as navigating the file system, managing files and directories, executing programs, configuring system settings, and more. Here are a few examples of commonly used Linux commands:

1. ls: Lists the contents of a directory.
2. cd: Changes the current directory.
3. pwd: Prints the current working directory.
4. mkdir: Creates a new directory.
5. rmdir: Removes directory (only works for empty directories)
6. rm: Removes files or directories.
7. cp: Copies files or directories.
8. mv: Moves or renames files or directories.
9. cat: Displays the contents of a file.
10. less: Allows you to view the contents of a file page by page.
11. grep: Searches for patterns in files.
12. chmod: Changes the permissions of a file or directory.
13. chown Changes the owner and group of a file or directory.
14. ps: Lists currently running process.
15. kill: Terminates a process by process ID (PID)
16. sudo: Executes a command with superuser (administrative) privileges.
17. man: Displays the manual page for a command.
18. history: Displays a list of recently executed commands.

These are just a few examples, and there are many more Linux commands available for various purposes. Each command typically has its own set of options and arguments to customize its behavior. You can use the "man" command followed by the name of a command to view its manual page and learn more about its usage and options.

1. Start with the Basics:

• Learn fundamental commands for navigating the file system (ls, cd, pwd).

• Practice creating, copying, moving, and deleting files and directories (mkdir, cp, mv, rm).

• Familiarize yourself with file manipulation commands (cat, less, grep).

2. Understand Permissions and Ownership:

• Learn how to manage file permissions and ownership using commands like chmod and chown.

3. Explore Text Processing Tools:

• Learn how to manipulate and process text using commands like awk, sed, and cut.

• Practice filtering and searching text using grep.

4. Work with Processes:

• Understand how to manage processes using commands like ps, kill, and top.

5. Get Comfortable with Package Management:

• Learn how to install, update, and remove software packages using package managers like apt, yum, or dnf, depending on your Linux distribution.

6. Explore System Information and Monitoring:

• Learn how to gather system information (uname, hostname, df, du) and monitor system resources (free, top, htop).

7. Practice Shell Scripting:

• Experiment with writing shell scripts to automate tasks or perform repetitive actions.

• Learn about variables, control structures (if-else, loops), and functions in shell scripting.

8. Understand Input/Output Redirection and Pipes:

• Learn how to redirect input/output using symbols like >, >>, <, and I (pipes).

• Practice combining multiple commands using pipes to perform complex tasks.

9. Explore Networking Commands:

• Learn how to troubleshoot network connectivity (ping, traceroute, netstat).

• Understand basic network configuration (ifconfig, ip, route).

10. Stay Curious and Practice Regularly:

• Continuously explore new commands and their options.

• Practice using Linux commands regularly to reinforce your learning.

Resource: Linux Command 25 Basic Commands for beginners

[justaskdavidb]

@jasalise, we will practice many of these commands during our next discussion. Now that you have gotten enough information in this ticket.

[justaskdavidb]

Demonstrated full understanding of this issue. This can be reopened at anytime / similar issue created for future participants.