Most Frequently Used UNIX / Linux Commands

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Ubuntu one of the most popular operating systems with an extensive user-base around the world, Below, you will find the 40 best Ubuntu terminal commands our experts have handpicked in an aim to skyrocket your Ubuntu system experience

ls : presents to you the contents of a particular directory – both files and directories

vim :Vim is a text editor. The most simple commands allow you to open and close documents as well as saving them

Install Vim on Ubuntu/Debian:

If you're using Ubuntu or Debian use apt-get to install Vim:

sudo apt-get install vim

Install Vim on CentOS/Fedora:

If you're using CentOS or Fedora, use yum to install Vim:

sudo yum install vim

pwd Print working directory command in Linux

mkdir : create directories from within the terminal. Make Directory)

ifconfig : The ifconfig command will give you the list of all the network interfaces along with the IP addresses, MAC addresses and other information about the interface.

if the tool ifconfig is not installed then you can install using the below commons 

ifconfig 

sudo: Super User ( sudo apt-get update ) | Command to escalate privileges in Linux

less – The less command is used when the output printed by any command is larger than the screen space and needs scrolling. The less command allows use to break down the output and scroll through it with the use of the enter or space keys.

wget – Direct download files from the internet, wget command is one of the handiest command-line utilities available

cd – Linux command to navigate through directories

tar – Command to extract and compress files in Linux

To compress 

To uncompress

 

grep (global regular expression print.) – Search for a string within an output

grep 'two' /~Download/sample1.doc

ps – Display active process

ssh – Secure Shell command in Linux

df – Display disk filesystem information

rm – Delete files or directories

mv – Move or rename files in Linux

cp – Similar usage as mv but for copying files in Linux

cat – Display file contents on the terminal

clear – Clear the terminal display

chmod – Command to change file permissions

wget – Direct download files from the internet

passwd – Create or update passwords for existing users