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Basic Linux Commands:
Linux Operating System:
The Linux is an operating system which is usually derived from the Unix operating system. Developed by Linus Torvalds. The Basic Linux Commands are very useful while communicating with the Kernel.
The Kernel is usually called the Heart of the Operating System. It act’s as a backbone having low-level code through which interfaces with the innermost layer i.e Hardware.
Linux is an open source i.e it can be used by everyone with free of cost and also make changes and develop their own operating system. For example, Android is also developed by using the Linux operating system.
Linux is also secure and used by multi-users i.e it consists of user and Password authentication. The data in the Linux system is encrypted. The number of users can access the system resources such as RAM at the same time.
Basic Linux Commands are given below:
The Linux commands are very useful in order to interact with the Linux operating system. The Commands are very easy to remember based on their function.
The Linux Commands are also called as the Linux Shell Commands, Linux terminal Commands.
There are many numbers of Linux Commands are there. But here we are going to discuss only the Basic Linux Commands. Some of the basic Linux Commands with examples and Syntax are as follows
- Clear Command
- ls Command
- expr Command
- wget Command
- cat Command
- head Command
- tail Command
- mkdir Command
- history Command
- cal Command
- free Command
- pwd Command
- man Command
- echo Command
- rm Command
- id Command
Explanation of the Linux Basic Commands List or Linux Shell Commands with examples:
- Linux clear Command :
This Command is used to clear the screen having different data.
Output: It clears the screen like clc Command.
- Linux ls Command
The letters ls stands for the list of files. By default, all files are stored in the Home of Root.
Output: Display the different types of files such as A.py, B.c etc.
- Linux expr Command:
The expr Command is used to express the expression.
expr 2 + 3
- Linux wget Command
The Command wget is used to communicate internally with the web pages.
wget search Url
Output: Displays the pages of given Website.
- Linux cat Command
The cat Command is used to create, append, display and concatenate a file.
Example: Create a file
- Linux head Command:
The head Command tells us how many lines to display and to display the first ten lines of a file.
- Linux tail Command:
The tail Command is used to display the last lines of a file.
- Linux mkdir Command
‘ The mkdir Command creates the one or more directories.
- Linux history Command
The Command is used to display the terminal files.
- Linux cal Command
The cal stands for calendar and this Command is used to display the Calendar.
It displays the Calendar.
- Linux free Command
The free command is used to free the memory and swap the usage.
It will free the memory usage.
- Linux pwd Command
The Command pwd stands for the present working directory and it tells about the present working directory.
Displays the present working directory such as a Home directory.
- Linux man Command
The Command man is a manual of all the Linux Commands.It provides the information of all the Linux Commands.
man Command name [options]
Displays the information about the man Command.
- Linux echo Command
The echo Command is used to print input string to standard output.
It displays the Hello World as output.
- Linux rm Command
The rm which means remove. It is used to remove the files.
It will remove the file.
- Linux id Command
The Command id is used to display the user id and also groupid.
It displays the uid, gid, and username.
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