# Linux & Git Cheat-Sheet

## Linux Cheat-Sheet

1. ls: List files and directories.
    
2. pwd: Print the current working directory.
    
3. cd: Change the directory.
    
4. mkdir: Create a new directory.
    
5. rm -r: remove the directory recursively
    
6. df: Display disk space usage.
    
7. crontab: to add commands in crontab so that they will run on schedule.
    
8. rm: Remove the files
    
9. touch: Create an empty file
    
10. passwd: To set a password of any username.
    
11. mv: Move or rename files and directories.
    
12. ps: Show the currently running processes.
    
13. chown: Change file ownership.
    
14. cat: Concatenate and display the contents of a file.
    
15. uname -r: show the version of the kernel
    
16. find: Search for files and directories
    
17. id: To check the id of any username.
    
18. whoami: show the current logged-in username
    
19. usermod: To change the id of any username.
    
20. chgrp: Change group owner.
    
21. groupadd: To create a new group.
    
22. useradd: To add a user.
    
23. setfacl: To add, modify or delete ACL on any file/directory.
    
24. grep: Search for a pattern in a file.
    
25. history: show a list of previously used commands
    
26. cp: Copy files and directories.
    
27. getfacl: To get the current ACL on any file/directory.
    
28. du: Show the disk usage of files and directories.
    
29. man: Display the manual page for a specific command.
    
30. userdel: To delete any user.
    
31. yum: To install any package.
    
32. chmod: Change file permissions.
    
33. head: Display the beginning lines of a file.
    
34. tail: Display the ending lines of a file.
    
35. systemctl: To manage system services.
    

## Git Cheat-sheet

1. git reset - reset the repository state
    
2. git clone - download remote repository to the local
    
3. git status - check the status of the git directory
    
4. git merge - merge two branches
    
5. git stash - temporarily save changes not committed
    
6. git pull - pull changes from the remote repository and merge
    
7. git revert - undo the changes made in a previous commit.
    
8. git config - to set configurations
    
9. git push - push the files to the remote repository
    
10. git diff - show the difference between the working directory and the staging area
    
11. git rebase - update the commit history
    
12. git init - initialize the directory
    
13. git log - check the commit history
    
14. git fetch - fetch changes from the remote repository
    
15. git add - add files to commit
    
16. git rm - remove files from working directory
    
17. git cherry-pick - applies specific commit from one to another branch
    
18. git checkout - switch to different branches