50 useful Linux commands

If you are a Linux user, using Linux commands greatly enhances your productivity and efficiency, allowing you to navigate through directories, manage files and processes, troubleshoot issues, automate tasks, and perform a wide range of operations from the command line.

Basic CommandsPermalink

1. ls: List directory contents
2. cd: Change directory
3. pwd: Print working directory
4. mkdir: Make directory
5. rm: Remove files or directories
6. cat: Concatenate and display files
7. echo: Display messages or values of variables
8. history: Display previously executed commands
9. find: Search for files in a directory hierarchy
10. tar: Create or extract archive files

System InformationPermalink

11. top: Display and update sorted information about processes
12. free: Display amount of free and used memory in the system
13. df: Display disk usage statistics for filesystems
14. whoami: Print the current logged in user’s name
15. uname: Display system information
16. dmesg: Print the kernel ring buffer
17. lshw: Display detailed hardware information

File OperationsPermalink

18. nano: A basic text editor for creating and modifying files
19. cp: Copy files and directories from one location to another
20. mv: Move or rename files and directories
21. touch: Create an empty file or modify the timestamp of an existing file
22. ln: Create a symbolic (soft) or hard link to a file

Network CommandsPermalink

23. ping: Test connectivity between two networked devices
24. traceroute: Display the path taken by internet packets
25. ssh: Securely connect to a remote computer via SSH
26. netstat: Display network connections, routing tables, and interface statistics
27. tcpdump: Capture and analyze network traffic

User and PermissionsPermalink

28. chmod: Change permissions of a file or directory
29. chown: Change the ownership of a file or directory
30. useradd: Add a new user account to the system
31. usermod: Modify a user account
32. groupadd: Create a new user group
33. passwd: Change the password of a user account

Package ManagementPermalink

34. apt: Advanced Package Tool for installing, updating, and removing software packages
35. dpkg: Lower-level package manager for directly installing .deb packages
36. yum: Yellowdog Updater Modified for managing RPM packages
37. rpm: Red Hat Package Manager for installing, querying, and verifying RPM packages

Process and System ControlPermalink

38. ps: Display information about running processes
39. kill: Terminate or send signals to processes
40. service: Manage system services
41. systemctl: Control the system and service manager
42. shutdown: Shutdown or reboot the system
43. halt: Stop the system

Compression and ArchivingPermalink

44. gzip: Compress or decompress files
45. gunzip: Uncompress .gz files
46. zip: Create or extract .zip files
47. unzip: Extract content from .zip files
48. rar: Create or extract RAR archive files
49. unrar: Extract content from RAR archive files
50. 7z: Create or extract files from 7z archive files

I hope this comprehensive list helps you in your Linux journey!