HEAD command is print the number of lines or data of the given input. Default head command print the first 10 lines of each file. This post explains few different usage head command,

This shell script explains how to find out your system RAM memory usage by percentage level, free memory. How much your RAM memory Linux ate exactly and free.

RPM - RedHad Package Manager is a very popular utility for uninstalling packages on Unix and Linux systems, most of we are using on CentOS, Red Hat, Fedora, etc.

We need to install bzip2 and bzip2-devel package on your system using YUM Command,

On Linux platform we are managing our system by commands on terminal. It's often important to check system load like, CPU utilize as percentage wise, memory used per process wise, users resource usage.

On previous post we have described about yum install, update, upgrade, remove, reinstall packages. The basic yum commands are below,

PNGquant is one of best tool for lossy compression of PNG images. Its reduce the PNG image size upto 70% and maintain full alpha transparency.