50 Linux commands for our day-to-day work:
1. ls - List directory contents.
2. pwd - Display current directory path.
3. cd - Change directory.
4. mkdir - Create a new directory.
5. mv - Move or rename files.
6. cp - Copy files.
7. rm - Delete files.
8. touch - Create an empty file.
9. rmdir - Remove directory.
10. cat - Display file content.
11. clear - Clear terminal screen.
12. echo - Output text or data to a file.
13. less - View text files page-by-page.
14. man - Display command manual.
15. sudo - Execute commands with root privileges.
16. top - Show system processes.
17. tar - Archive files into tarball.
18. grep - Search for text within files.
19. head - Display file’s beginning lines.
20. tail - Show file’s ending lines.
21. diff - Compare two files’ content.
22. kill - Terminate processes.
23. jobs - List active jobs.
24. sort - Sort lines of a text file.
25. df - Display disk usage.
26. du - Show file or directory size.
27. zip - Compress files into zip format.
28. unzip - Extract zip archives.
29. ssh - Secure connection between hosts.
30. cal - Display calendar.
31. apt - Manage packages.
32. alias - Create command shortcuts.
33. w - Show current user details.
34. whereis - Locate binaries, sources, and manuals.
35. whatis - Provide command description.
36. useradd - Add a new user.
37. passwd - Change user password.
38. whoami - Display current user name.
39. uptime - Show system runtime.
40. free - Display memory status.
41. history - List command history.
42. uname - Provide system details.
43. ping - Check network connectivity.
44. chmod - Modify file/directory permissions.
45. chown - Change file/directory owner.
46. find - Search for files/directories.
47. locate - Find files quickly.
48. ifconfig - Display network interfaces.
49. ip a - List network interfaces succinctly.
50. finger - Retrieve user information.
