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You are here: Home / Archives for Linux Tips

Linux Tips

How to Find Where Linux/Mac OS X Commands Are Physically Located?

April 25, 2012 by cmdlinetips

If you are a beginner it is a good thing to learn about the director/file structures of Linux/Mac OS. It is even better to start learning where the actually commands are located in your machine. You may roughly know that the commands are in some “bin” directory, but not the exact location. The command “type” […]

Filed Under: linux command type, Linux Tips Tagged With: Find Command Location, Linux Command type

Understanding Variables in Shell Scripting

April 9, 2012 by cmdlinetips

A number of beautiful and powerful programming languages, like Python, Ruby, and Perl are available for scripting needs. Even then you may find the old school unix shell scripting very useful tool to learn and use. For sure, shell scripts looks crazy and hard to read/understand. Once you get a hang of it, you might […]

Filed Under: Linux Tips, Shell Scripting, Uncategorized Tagged With: Linux Tips, Shell Scripting, Variables in Shell Scripts

How to Get a Specific Line or Lines From a Big File? Hint: Use One Liner AWK

December 21, 2011 by cmdlinetips

If you are working with a huge text file with millions of lines and want to know the content of a specific line, there are a few tricks you can play to get the line you want.  The naive approach of reading the file line by line (say in python) and keeping a count on […]

Filed Under: AWK, AWK Tips, Extract a Line from Terminal, Linux Tips Tagged With: AWK Tips, Extract a Line from Terminal, Linux Tips

Two Most Useful Commands, If You Live On The Linux/MacOS Terminal

October 21, 2011 by cmdlinetips

Do you use the linux/Mac OS X terminal a lot? If yes, you must have a few most useful commands. The commands that help you move around terminal fast and gives you the super power to look up your history real fast will be handy on every day use. Calling them as the “Most Useful […]

Filed Under: history lookup, Linux Tips, Mac OS X Tips, Uncategorized Tagged With: Linus Tips, Mac Os X Tips, Reverse Search

Tips to Get Started with Screen, the Terminal Multiplexer

September 20, 2011 by cmdlinetips

The more you feel comfortable with terminal, the higher the number of terminals that will be open. For sure you will many things to keep a tab, one for your email, one for the code, one for executing the code, and so on. And one might easily get annoyed, rightly so, recreating your multiple sessions […]

Filed Under: Basic Linux Commands, Linux Tips, Mac OS X Tips, Screen, Uncategorized Tagged With: Linux Tips, Mac Os X Tips, Screen

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