Commonly Used Linux Commands

Linux Commands And Explanations

1. ls - Lists the files and directories in the current directory.
2. cd - Changes the current working directory
3. mkdir - Creates a new directory
4. rmdir - Removes an empty directory
5. touch - Creates a new file or updates the timestamp of an existing file
6. cat - Displays the contents of a file
7. more - Displays the contents of a file one page at a time
8. less - Displays the contents of a file one page at a time, with additional navigation options
9. head - Displays the first few lines of a file
10. tail - Displays the last few lines of a file
11. cp - Copies a file or directory
12. mv - Moves or renames a file or directory
13. rm - Deletes a file or directory
14. find - Searches for files or directories based on certain criteria
15. grep - Searches for a specific string of text in a file or multiple files
16. sort - Sorts the contents of a file
17. uniq - Removes duplicate lines from a sorted file
18. wc - Counts the number of lines, words, and characters in a file
19. chmod - Changes the permissions on a file or directory
20. chown - Changes the ownership of a file or directory
21. tar - Creates or extracts a tar archive file
22. gzip - Compresses or decompresses a file using the gzip algorithm
23. gunzip - Decompresses a file that was compressed with gzip
24. bzip2 - Compresses or decompresses a file using the bzip2 algorithm
25. bunzip2 - Decompresses a file that was compressed with bzip2
26. echo - Prints a line of text to the console
27. clear - Clears the console screen
28. whoami - Displays the current user's username
29. who - Displays a list of users currently logged in
30. passwd - Changes the current user's password
31. su - Switches to a different user account
32. sudo - Runs a command with superuser privileges
33. history - Displays a list of recently used commands
34. man - Displays the manual page for a command
35. df - Displays information about disk usage
36. du - Displays information about disk usage for a specific directory
37. free - Displays information about free and used memory
38. top - Displays real-time information about processes running on the system
39. ps - Displays information about currently running processes
40. kill - Sends a signal to a process to terminate it
41. killall - Sends a signal to all processes with a specific name to terminate them
42. reboot - Reboots the system
43. shutdown - Shuts down the system
44. init - Changes the system's runlevel
45. mount - Mounts a filesystem
46. umount - Unmounts a filesystem
47. fdisk - Partitions a hard drive
48. parted - Partitions a hard drive
49. lspci - Lists PCI devices
50. lsusb - Lists USB devices