Basic Linux commands

What is Linux?

It is a lightweight and single-rooted operating system whose source code is free. Files are kept within the tree structure directory. It has multiple flavors like Cent OS, Ubuntu, Fedora, Redhat, Debian etc.91 percent of applications are running over the internet on Linux. It is also more secure than Windows OS.

Basic command on Linux

👉 whoami >> to check the current user

👉 ls >> to check files and directories

👉ls -l >> to check the list of files and directories with more details

👉ls -a >> to check all hidden files and directories

👉date >> to check the current date

👉touch >> to create a new file

👉mkdir >> to create a new directory

👉pwd >> to check the current path

👉cd .. >> to go previous directory

👉cd ~ >> to change home directory

👉cd .. /.. >> to go back two directories

👉cd home.ubuntu/my_folder >> to go destination directory

👉echo>> to print something

👉cat >> to write/see content in the particular file

👉rm -r/-rf >> to delete files and directory

👉mv >> to rename and move the file from one directory to another directory

👉cp >> to copy files to one directory

👉man any executable command >> can see detail description of that command

👉adduser \>> to create a new user account

👉userdel -r \>> to delete user account

1. Check your present working directory.

2. List all the files or directories including hidden files.

3. Create a nested directory A/B/C/D/

1.