Basic Linux commands- part1

Here are the list of basic Linux commands which every linux user should know

1. ls //Listing folder contents

2. ls -a // Listing folder contents along with hidden files

3. pwd //Path working directory -- provides you current working directory

4. cd //Navigate through directories

5. mkdir //Create directories

6. mkdir A B C D //Create multiple directories

7. mkdir -p A/B/C // Making nested dir

8. mv //Move or rename files in

9. cp //Copying files

10. rm //Delete files

11. rm -r // Deleting folders

12. rm -rf //Deleting folders along with files

13. touch //Create blank/empty files

14. cat //Display file contents on the terminal

15. clear //Clear the terminal display

16. echo //Print any text that follows the command

17. uname //get basic information about the OS

18. whoami //Get the active username

19. tar //Command to extract and compress files

20. grep //Search for a string within an output

21. head //Return the specified number of lines from the top

22. tail //Return the specified number of lines from the bottom

23. diff // Find the difference between two files

24. sort //Sort the content of a file while outputting

25. export //Export environment variables

26. zip //Compress files using zip

27. unzip //Uncompress files using zip

28. ssh //Secure Shell

29. service //start and stop services

30. ps //Display active processes

31. kill and killall //Kill active processes by process ID or name

32. df //Display disk filesystem information

33. mount //Mount file systems

34. chmod //Change file permissions

35. chown //Granting ownership of files or folders

36. ifconfig //Display network interfaces and IP addresses

37. wget //Direct download files from the internet

38. iptables //Base firewall for all other firewall utilities to interface with

39. apt, pacman, yum, rpm //Package managers depending on the distro

40. sudo //Command to escalate privileges in Linux

41. su //switch user

42. alias //Create custom shortcuts for your regularly used commands

43. whoami // to know current user

44. whereis //Locate the binary, source, and manual pages for a command

45. whatis //Find what a command is used for

46. useradd and usermod //Add new user or change existing users data

47. passwd //Create or update passwords for existing users