Answer / sureshreddy

find: it searches a specified file or directory in file
system
grep: it search a specified string in a file or directory

sed: it replased a specified string.

Answer / phani

FIND & GREP
Basically FIND & GREP are the UNIX commands shared through
the FILTERS .Where is SED (STREAM) is one of the main
editor.

FIND : Find is an exclusive command used to find
files/folders are other information.and this is powerfull
then windows.

ex : # find /raja -name shekar -print
output : raja/shekar


Grep : This is also one of the important command used to
globally searching the regular expression in the file .
GERP is grepping the information character by character.
(i.e) from file .

ex 1) : #GREP "cat" raja
2) : #GREP -i "cat" raja (for case sensitive)
2) : #GREP -v "cat" raja (v represent negative )

OUTPUT :if we have an file raja with data regarding cat we
can clearly explain.


Finally SED (STREAM)

SED : It is an editor but non interactive .

ex : # sed -e 'd/chain/dog/f' raja > shekar

Answer / dj

Find : This unix command is used to search for a particular
file in unix directory. Syntax for the same is
find .* - <file name pattern>


Grep : This command will search for a string/text in
specified file. syntax for the saame is

grep -<switches> <pattern> <FileName>

there are number of switches availbale for this command.

Sed : its an editor

Answer / rachita kathuria

find - this command examines a directory to find a file
matching some criteria.

grep - it searches for a string or pattern in a file and
display the lines containing the pattern.

sed - it combines work of several filters and perform non
interactive operations on a data stream.

Answer / mohan

find is finding a specific file & directory with perm...
wise,hardlink...

grep : search a specified string on the line. it will take
from output or file

sed: is a editor tool. using this u can do what u want....

Answer / ramana

FIND command is used to search a file. but the GREP is used
as filter generaly. it shows the matched patterence lines
of the file.
SED command is used to replace the pattren with other
pattren.
we can use wild cards charecters here.
this discription is only basic information only.

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