20 Basic Command in Linux

The following 20 Basic commands show be remembered by every one trying to advance their career or want to make their life easier with linux.

Commands	Usage
ssh	SSH is used for creating a secure tunnel to another computer from which you can issue commands, transfer data, etc.
netstat	Command is used to see the network status, it shows status of network such as TCP, UDP, etc
rm	Command is used to remove a file or directory.
vim	Command is used to edit the files/scripts in Linux.
cat	Command is used to display file content without accessing the file.
hostname	Command is used to find out the machine name in linux.
whoami	Command is used to see which user is currently logged in.
tar	Command is used to compress the files also know as zip
useradd	Command use to create users in Linux
chmod	Command use to change, set permission to the users, file and groups
userdel	Command used to delete users in linux
find	Command used to find content in linux
head	Command used to the first lines of one or more files to standard output. Head by default shows the first 10 lines.
tail	Command used to print the last 10 lines by default of a specific file, then stops.
grep	Global regular expression print Command used to search and find matching content in multiple files.
chown	Command is used to change the file group or the owner.
diff	Command used to find line by line differences in files.
sed	Command used to quickly edit the file content without opening them
zip	Command used to create create archive of directories and files.
date	Command used to check the date, time and region in linux.
su	Command used to switch users, short for switch user.
sudo -i	Command used when super user action is required for example changing permissions.
apt-get	Command used to install the software packages.