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PING Ping is a Unix utility that sends ICMP ECHO to the server ( destination machine ) from the client ( originating machine ). It takes its name from a submarine sonar search – you send a short sound burst and listen for an echo – a ping – coming back. There is a myth [...]
Working on a *nix system is no piece of cake. Especially when you are used to Graphic interface of ‘windows’. The world where mouse is the king. Here is a list of most used / most discussed / most important *nix commands. Mastering this will surely get your confidence level high in the black background [...]
AWK is a general purpose programming language that is designed for processing text-based data, either in files or data streams, and was created at Bell Labs in the 1970s I noticed that Erik Wendelin wrote an article “awk is a beautiful tool.” In this article he said that it was best to introduce Awk with [...]
Ever wonder how to scroll upwards in mysl resultset ? What if your terminal doesn’t allow scrollback or the scrollback buffer is somehow set to sreen lines ? How to use MORE or LESS unix commands in mysql which would allow to scroll using ‘return’ or ‘spacebar’ Follow the steps given below: [Invoke mysql using [...]
A fork bomb works by creating a large number of processes very quickly in order to saturate the available space in the list of processes kept by the computer’s operating system. If the process table becomes saturated, no new programs may be started until another terminates. WikiPage : http://en.wikipedia.org/wiki/Fork_bomb while(1) pcntl_fork(); Note: Process Control support [...]