Difference grep, egrep and fgrep

ravind27 · #1 (**permalink**) 07-06-2007

Hi All,

Can anyone please explain me the difference between grep, egrep and fgrep with examples.

I am new to unix environment.. Your help is highly appreciated.

Regards,
ravi

ennstate · #2 (**permalink**) 07-06-2007

See man page

Code:

man grep fgrep egrep

jagadeeb · #3 (**permalink**) 06-14-2009

gerp Search a Pa tern from current directory.

egrep (grep -E in linux) is extended grep where additional regular expression metacharacters have been added like +, ?, | and ().

fgrep (grep -F in linux) is fixed or fast grep and behaves as grep but does not recognise any regular expression metacharacters as being special.

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