Linux operating System
Open Source: Software and Source code available to all the users.
Why Linux Operating System is used?
it is open source.
it has huge community support.
Most Servers run on Linux
Automation
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