Linux operating System

Open Source: Software and Source code available to all the users.

Why Linux Operating System is used?

1. it is open source.

2. it has huge community support.

3. Most Servers run on Linux

4. Automation

5. Secure

Some Important Linux Directories

.Home Directories: /root,/home/username

.User Executables: /bin, /usr/bin, /usr/local/bin

.System Executables: /sbin, /usr/sbin, /usr/local/sbin

.Other Mountpoints: /media, /mnt

.Configuration files: /etc

.Temporary files: /tmp

.kernels and bootloader: /boot

.Server data: /srv,/var

.System Information: /proc, /sys

.Shared libraries:/lib, /usr/lib, /usr/local/lib

Different Linux Distribution

Popular Desktop linux OS

.Ubuntu linux

.Suse

.Arch linux

.Debian

.Fedora

.Linux Mint