ubuntu server grep for search inside files code example
Example 1: find text in linux file
grep 'word' filename
grep 'word' file1 file2 file3
grep 'string1 string2' filename
cat otherfile | grep 'something'
command | grep 'something'
command option1 | grep 'data'
grep --color 'data' fileName
Example 2: how to search keyword in linux
grep -w phoenix *