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grep overview

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grep in Back Track "grep" one of the most frequently used UNIX command stands for " Global Regular Expression Print ". Here I am sharing my experience on use of grep command in Linux with an aim that this would serve as quick guide or tutorial for using grep in UNIX for new beginners and help them to understand the grep command better and its thoughtful usage in UNIX or Linux. Many people use grep just for finding words in a file and missed the real potential of grep by not using all its powerful command line options and its regular expression capability which could not only save a lot of time but also works as a great and powerful tool while analyzing large set of data or log files.  Also find command in UNIX can be used in place of grep at many places. 10 examples of grep command in UNIX and Linux Following examples on grep command in UNIX are based on my experience and I use them on daily basis in my work. These examples are by no means complete so please ...