Day 12: Cheat-Sheet for Linux,Git-GitHub & Cron.

3 min readMar 25, 2023

It’s #day12 of the #90daysofdevops Challenge under the guidance of Shubham Londhe Sir.

Here I have provided cheat sheet related to linux terminal,Git-GitHub & Cron.

Linux Cheat-Sheet

whoami -> prints the username currently logged into the terminal session.
ls -> It lists all the files and folder on the disk.
ls -l -> It provides long form of list.
ls a -> It also show .files which are hidden in the list.
ls al -> It show long form and .files in the list.
cd -> Changes directory or moves the path where you in.
mkdir -> This command is used to make folders.
touch -> creates an empty files using command.
rmdir -> It deletes directory or folder from the disk.
rm -> It is used to delete files.
xdg-open -> It opens the file created.
mv -v -> It moves the files from one place to another place.
cp -> This command is used for copying files.
> -> This command take output of first term and then redirecting it to second term.
>> -> This command append the data.
cat -> This command concatenate file and print on the standard output of terminal.
echo -> This command is printing the statements.
diff -> This command point out the difference between two files.
history -> This command provides the history done in the terminal.
chown -> This is the command we can use to change who owns a particular files or directory.
chmod -> To change the permission of a file or directory, we can used the chmod (change mode).To use chmod to alter permission, we need to tell.*

git status -> It used for checking history of git repository.
git add -> It is used to add file in repository means it add files to staging area.
git commit -m -> It provides us the message for what we write in repository after completing it.
git log -> It is used to see the entire history that all the commit made in history.
git stash -> It takes your umcommited changes (both staged and unstaged) and save them for later use.
git stash pop -> all the saved uncommited changes bring back to working copy.
git stash push -> delete all the thingd which are in stash.
git rebase -> Rebase is the processof moving or combining a sequence of commit & rebasing is same as the git merge.
git log --oneline -> It shows commits hash history in oneline.
git revert -> It is used to record some new commit to reverse the effect of some earlier commit.
git clone -> It download the folder (from Online) to your local directory.
git checkout -> It is used to switch between branches.
git branch -> Create a new branch.
git branch -D -> Delete a branch.
git merge -> Merge specified branch into the current branch.
git pull -> Download the content from a remote repository.
git cherry-pick -> bring in changes from a specific commit or choose one or commit.