Day 12 Task: Cheat Sheet

Now that we have completed the Linux & Git-GitHub hands-on in the last 11 days, let's make a cheat sheet of all the commands we have used so far.

Linux Commands -

ls : List files and directories in the current directory.
pwd: Print the current working directory.
cd: Change the current directory.
mkdir: Create a new directory.
rmdir: Remove a directory (only if it's empty).
rm: Remove files or directories.
cp: Copy files and directories.
mv: Move or rename files and directories.
touch: Create an empty file or update the access/modification timestamp.
cat: Concatenate and display the contents of a file.
more or less: Display file content one screen at a time.
head: Display the beginning lines of a file.
tail: Display the ending lines of a file.
diff: To find the difference between 2 files.
grep: Search for a pattern in a file.
find: Search for files and directories based on various criteria.
chmod: Change file permissions.
chown: Change file ownership.
chgrp: Change group owner.
ps: Show the currently running processes.
kill: Terminate processes based on their Process ID (PID).
df: Display disk space usage.
du: Show the disk usage of files and directories.
man: Display the manual page for a specific command.
whoami: show the current logged-in username
uname: show the name of Kernel(OS)
uname -r: show the version of the kernel
clear: use to clear the screen
history: show list of previously used command
crontab -e: to add commands in crontab so that they will run on schedule.
useradd "user_name": To add a user.
id user_name: To check the id of any username.
passwd user_name: To set a password of any username.
usermod -u new_id user_name: To change the id of any username.
usermod -g new_id user_name: To change the group id of any username.
groupadd -g new_grp_id new_grp_name: To create a new group.
usermod -l new_user_name old_user_name: To change the username of any user.
userdel -r user_name: To delete any user.
getfacl: To get the current ACL on any file/directory.
setfacl: To add, modify or delete ACL on any file/directory.
apt-get install packagename: To install any package.
systemctl options packagename: To manage system services.
systemd options packagename: To init system and system manager.

Git-GitHub commands -

git init: To initialize git repository.
git config --global user.name: To set the name which will be displayed as author name.
git config --global user.email: To set the email which will be displayed as author email.
git add filename: To add changed files to the staging area.
git commit -m "message": To commit the staged files with an appropriate message.
git status: To check the status if any files are in the staging area or have been committed.
git log: To check all the commits along with the message and author details.
git checkout -b branchname: To make a new branch and switch to it.
git branch: To list down all the branches in your repository.
git remote add origin <remote repository URL>: To connect a local repo to your remote repo after initializing git.
git remote -v: To verify the connection between local and remote repo.
git pull origin branch_name: To pull the data from the remote repo to the local repo.
git push origin branchname: To push the committed code to your remote repo.
git clone <remote repository URL>: To clone a remote repo to your local repo.
git revert commit_id: To reverse the changes and delete the commit history.
git reset - To reverse the change done on a branch or a file.
git rebase branch_name: To integrate changes from one branch to another, and the logs get modified.
git merge branch: To merge Git branches while the logs of commits on branches remain intact.
git stash: To temporarily save changes you have made in your working directory, without committing them.
git stash list: To list down the stashed file changes.
git stash pop: To get back the stashed data.
git stash drop: To discard all the stashed changes.
git cherry-pick commit_id : To select specific commits from one branch and apply them to another branch.

These are all the commands that we used till now. I hope you got to understand.

Thanks for reading!

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Day 12 Task: Cheat Sheet

Table of contents

Linux Commands -

Git-GitHub commands -

Thanks for reading!