Linux basic commands

Print to screen

echo Hi

List files and folders in current directory

ls

Change directory

cd /tmp

Print working directory

pwd

Make directory

mkdir /tmp/new_dir

Make directory hierarchy

mkdir -p /tmp/new_dir/sobfolder

Remove a directory with all contents

rm -r /tmp/new_dir

Copy directory to another location recursively

cp -r /etc /tmp/etc_backup

Run multiple commands - separate them by semicolon (;):

cd /tmp; mkdir new_dir; pwd

Create an empty file

touch myfile

Add contents to file

cat > myfile

add content and press Ctrl+D at the end

View the contents of the file

cat myfile

Copy file

cp /etc/hosts /tmp/hosts_backup

Move/Rename a file

mv /tmp/hosts_backup /tmp/hosts_bkp

Delete a file

rm /tmp/hosts_bkp