Basic linux command line interface

What is Linux? 

Linux is the best-known and most-used open-source operating system. As an operating system, Linux is software that sits underneath all of the other software on a computer, receiving requests from those programs and relaying these requests to the computer’s hardware.

Source: https://opensource.com/resources/linux

What is Command-Line Interface (CLI)? 

 
Command-line interface (CLI) is a text-based interface that is used to operate software and operating systems while allowing the user to respond to visual prompts by typing single commands into the interface and receiving a reply in the same way.

Source: https://www.techopedia.com/definition/3337/command-line-interface-cli


Command Line PWD 

 
The PWD utility writes the absolute pathname of the current working directory to the standard output.

Command Line LS

ls is a Linux shell command that lists directory contents of files and directories.


Command Line CD

cd command in linux known as change directory command. It is used to change current working directory.


Command Line MKDIR

mkdir command allows the user to create directories.


Command Line ECHO

echo command in linux is used to display line of text/string that are passed as an argument .


Command Line RM

rm removes each file specified on the command line. By default, it does not remove directories.

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