INTRODUCTION TO LINUX

LINUX :
Linux is based on the UNIX(uniplexed information and computing system) operating system. UNIX is a powerful, multi-user, multitasking operating system.

Architecture of Linux :

1. Kernel.
2. System Libraries.
3. Shell.
4. System Utilities.

DOCKER :
Docker is an OS‑level virtualization platform, which allows applications to share the host OS kernel instead of running a separate guest OS like in traditional virtualization.

WHY LINUX :

1. Fast.
2. Portable.
3. Lightweight.

LINUX COMMANDS :

1.cd : is used to change the current working directory.

SYNTAX : cd directory_name
EXAMPLE :cd GFG

2.ls : is used to list files and directories present in the current working directory.

SYNTAX: ls [options] [directory]
EXAMPLE: ls

3.cp : is used to copy files or directories.

SYNTAX: cp source destination
EXAMPLE: cp file1.txt file2.txt

4.pwd : is used to display the full path of the current directory.

SYNTAX: pwd
EXAMPLE: pwd

5.mv : is used to move or rename files and directories.

SYNTAX: mv old_name new_name
EXAMPLE: mv old.txt new.txt

6.ln : is used to create links between files.

SYNTAX: ln -s source link_name
EXAMPLE: ln -s file1.txt link1.txt

7.mkdir : is used to create new directories or folders.

SYNTAX: mkdir directory_name
EXAMPLE: mkdir GfG

8.rmdir : is used to delete empty directories.

SYNTAX: rmdir directory_name
EXAMPLE: rmdir TestFolder

LINUX OS : Linux is a widely used open-source Unix-like operating system.

Kernel : is a core component of an OS. It is the primary connection between the hardware and the software components of a computer. It converts the user requests into machine language.