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chmod Quick Referance with Examples

What is chmod ?

chmod ( Change Mode ) is a command line utility in Unix , Linux and other Unix like systems to change the read, write, execute permissions of a file for owner , group and others.

How to use chmod?

Chmod command is used in two ways :
1. Using octal value & position : Sets the permission for owner, group and others with octal values , 4 for read , 2 for write , 1 for execute and any sum of these number to get cumulative permissions.

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Posted inBasics Top 10 Top List

Linux Download : Top 10 Free Linux Distributions for Desktop and Servers

All the Linux distributions are either derivative of GNU/Linux ( OS made up of Linux Kernel developed by Linus Torvalds and GNU software repository) or derived from other Linux derivatives.

Desktop distributions comes with Graphical user interface enabled by default &   aimed at individual users and most of the administration work can be done using GUI. Good for new users and running Linux-based graphical applications.

Server Distribution are for more advanced users who are familiar with Linux command line as Graphical Interface is not enabled by default in most of the server distributions. Server distributions comes with web servers like apache  and networking packages like DNS and useful for running backend services , work as web server or DNS Server.

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cpio ( GNU )

CoPy In Out Usage: cpio [OPTION...] [destination-directory] GNU `cpio' copies files to and from archives Examples: # Copy files named in name-list to the archive cpio -o <…