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Using the Linux grep Command: Grepping a File Without Using cat

The grep command is a command that most Linux users learn early on, and many times they learn to use it via pipes (stdin). Because of this some Linux users just assume that grep can only be used with stdin; it’s ok, I was one of those too! Before I continue with some grep tricks I want to clarify the basic grep usage. 

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Mathematical Aspect of Linux Shell Programming – Part IV

In this post I will be discussing the Scripts from the Mathematical and Number point of view. Although I have posted a more complex script (Simple Calculator) in the previous post, but on a user part it was difficult to understand and hence I thought to make you people learn...

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Benchmarking Performance of TI's OMAP5432 Board

In the previous article we took a look at the Texas Instruments OMAP5432 board. This time we will focus on the performance of those A15 cores, the SATA interface, internal flash, and how much difference the hardware video decode makes.

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How To Share Your Photos For Free From Your Home Server Using Ubuntu 12.04 LTS And phpAlbum

If you would like to share your photos with family and friends from your own home server rather than posting onto some social networking site then perhaps this is the how-to for you.

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Setup a chroot Environment on Ubuntu with Debootstrap

Chroot provides a way to setup an isolated environment inside an OS, where specific applications can run without interacting with the rest of the system. It is also called a jail and is often used to create a test environment for applications which may not be directly installed on the system due to various concerns like stability or security. 

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