In this post we will see all linux commands which you find find useful in daily activites.
| Sr. No | Command | Description |
|---|---|---|
| 1. | ls | Displays a list of all files in the current terminal directory |
| 2. | cd | Change the current terminal directory to specified |
| 3. | clear | Clear the terminal screen |
| 4. | ! | Repeat previous command |
| 5. | history | Display history of the commands executed |
| 6. | man | Display mannual pages for help |
| 7. | pwd | Prints the working directory, absolute path |
| 8. | whatis | Displays the brief descriptions of commands |
| 9. | cat | Concatenation : used to create/ display and concatenate text file |
| 10. | chmod | Used to change the permissions of files or directories |
| 11. | chown | Used to change file owner and group |
| 12. | cp | Used to copy a file from one location to another location |
| 13. | find | To search and locate list of files and directories based on conditions |
| 14. | grep | Filter searche a file for a particular pattern of characters, and displays all lines that contain that pattern |
| 15. | locate | Locate command gives you the the name of the matched files along with their complete or absolute paths |
| 16. | mkdir | To create directories |
| 17. | rmdir | To remove directories |
| 18. | mv | Used to rename or move files and directories |
| 19. | vi | Text editor |
| 20. | vim | Improved version of vi editor |
| 21. | nano | Text editor |
| 22. | rename | To rename files and directories |
| 23. | rm | To remove files |
| 24. | touch | To create empty files |
| 25. | wget | To download files from internet |
| 26. | tar | Tape Archive: Used to create archives |
| 27. | zip | To create zip files |
| 28. | apt | Advanced Package Tool Used to install,search, update packages in debian based systems |
| 29. | bg | Restart a stopped background process |
| 30. | fg | Bring a background process to the foreground |
| 31. | df | Summary of available and used disk space usage of file system |
| 32. | free | Displays the total amount of free space available along with the swap memory in the system |
| 33. | ip | To assign an address to a network interface and/or configure network interface |
| 34. | jobs | Display status of jobs which are running in background |
| 35. | kill/killall | Used to teminate jobs/processes running |
| 36. | sudo | Allows a user with proper permissions to execute a command as another user, such as the superuser. |
| 37. | gksudo | Run graphical commands that need root |
| 38. | top | Displays tasks managed by kernel in real-time |
| 39. | uname | Unix Name : Print detailed information about the machine name, Operating System and Kernel. |
| 40. | uptime | Displays how much time the system is running |
| 41. | whereis | To find the source, binary, and manuals sections for specified commands or files |
| 42. | whoami | Display owner of the current login session to standard output |
| 43. | lsblk | List Block Devices, print block devices by their assigned name |
| 44. | md5sum | Compute abd Check MD5 Message Digest |
| 45. | dd | Convert and Copy a file, can be used for making disks bootable |
| 46. | cal | To displays calendar of the present month or any year or month |
| 47. | crontab | Used to schedule jobs |
| 48. | less | Used to display files small portion quickly |
| 49. | `more | Similar to less command but here it also displays the percentage of remaining file |
| 50. | `sort | Sorting lines of text files ascending or descending |
| 51. | ssh | Used to login into remote host |
| 52. | ftp | File transfer protocol used for remote file transfers |
| 53. | last | To see user’s activity in the system |
| 54. | awk | Used to do advance text filters |
| 55. | passwd | Used to set password for a user |
| 56. | ifconfig | Used to see and set ip of a system |
| 57. | curl | Advance command line tool for data transfer using various protocols |
| 58. | sed | Stream editor for text files |
| 59. | ping | Used to check network connectivity between computers |
| 60. | dig | Used to get DNS related information about the url/ip etc |