linux commands

Cheat sheet act as a reference tool which provides cut and paste kind of commands to complete a specific task. I often recommend following set of best cheat sheets to students and IT professionals. It include Linux / UNIX command and shell scripting.


This is easy to use Linux command line index. Linux commands divided into categories such as: => System information => Shutdown => Files and Directory => File search => Mounting a Filesystem => Disk Space => Users and Groups and others Linux Commands Line list


Almost all new Linux wanna be guru (read as users who want to switch to Linux) asks a question: I want to switch to Linux completely from Windows XP SP2. Which Linux version will be best – Redhat, SuSE, or other? I use my PC for: Browsing Internet Watching DVD / MP3 Writing CD/DVD I’m […]


Someone might attack on your system. You can drop attacker IP using IPtables. However, you can use route command to null route unwanted traffic. A null route (also called as blackhole route) is a network route or kernel routing table entry that goes nowhere. Matching packets are dropped (ignored) rather than forwarded, acting as a […]


Some time it is necessary to print a Linux man or info page. To print a ls command man page type the following command:


It is a common practice to manage UNIX/Linux/BSD servers remotely over the ssh session. You may need to download download the software or other files for installation. There are a few powerful graphical download manager exits for Linux and UNIX like operating systems: