Some important linux commands:

1. pwd - print working directory
2. ls -ll - list out the file
3. mkdir - create new directory
4. cd - changing directory
5. touch - create new file
6. cat - view the content of the file
7. rm - remove file
8. cp - copy file
9. vim - edit the file
10. apt - install application
11. whoami - to fine user details
12. sudo - super user do
13. df -hT - to view storage details
14. ps -aux - list out the process
15. hostnamectl - to view hostname and os details
16. free -h - RAM side human readable format
17. cal - to view calender
18. uptime - machine running time
19. ip a - to check ip address
20. init 6 / 0 - restart / shutdown the machine

For more Linux commands list - https://github.com/e00049/linux/blob/main/linux-cheat-sheet.txt

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