How to find block size in Linux and Unix

This a small how-to on getting block size of a file system in your Linux machine. To go in to that info we have to learn bit information about file-system. What is a file-system? In simple, its a way we write data

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18 Linux grep command examples for a data analysis

GREP is a command line search utility or tool to filter the input given to it. Grep got its name from ed editor as g/re/p (global / regular expression / print). Grep command can improve a command output by filtering out required

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Regular expressions in Linux -II

Regular Expression in Linux/Unix Part 2 This is our second part on Regular Expressions in Linux. Please have a look at our first part here. Interval Regular expressions These are used to mention no of character/character set reputation info. Note that interval

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Regular Expressions in Linux Explained with Examples

Regular expressions (Regexp)is one of the advanced concept we require to write efficient shell scripts and for effective system administration. Basically regular expressions are divided in to 3 types for better understanding. 1)Basic Regular expressions 2)Interval Regular expressions (Use option -E for grep and -r

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