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Thread: Can you highlight the difference

  1. #1
    Contributing Member
    Join Date
    Jul 2006
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    50

    Question Can you highlight the difference

    What is the difference between grep and egrep command in UNIX operating system.


  2. #2
    Contributing Member
    Join Date
    Jul 2006
    Answers
    93

    Re: Can you highlight the difference

    grep command is used to search one or more files for particular character patterns. This is used in UNIX operating system. Actually grep command has three versions namely grep,egrep and fgrep. Among this egrep is the slowest and the functinality is similar to that of grep except that egrep supports extended regular expressions.


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