grep command is used to search text or searches the given file for lines containing a match to the given strings or words. By default, grep displays the matching lines.

Examples :

grep 'yourword' filename 

grep 'yourword' file1 file2 file3

grep 'string1 string2'  filename

cat otherfile | grep 'something'

command | grep 'something'

command option1 | grep 'data'

grep --color 'data' fileName

Find Command is one of the most important and much used command in Linux sytems. Find command used to search and locate list of files and directories based on conditions.

Examples :

Find all the files whose name is test.txt in a current working directory.

find . -name test.txt

Find all directories whose name is test in / directory.

find / -type d -name test

Find all the files whose name is test.txt and contains both capital and small letters in /home directory.

find /home -iname test.txt

More Help man grep , man find

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