egrep command searches the named input FILEs for lines containing a match to the given PATTERN.
Read answer to: "Search Multiple Words / String Pattern Using grep Command"
Grep Count Lines If a String / Word Matches 
Search Multiple Words / String Pattern Using grep Command
Solaris UNIX Case-Insensitive Find File Search 
grep in Bash
Unix / Linux: grep Word Count Command
Search Text File In UNIX
Bash Remove Last Character From String / Line / Word
Save Bash Shell Script Output To a File
sed Case Insensitive Search Matching
Grep Include Only *.txt File Pattern When Running Recursive Mode 
Comments on this FAQ are closed. If you'd like to continue the discussion on this topic, you can do so at our forum.