Grep

grep, egrep, fgrep, rgrep - print lines that match patterns

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression.

Manual

TIL(s)

• Grep Case Insensitive Search
• Grep Count Occurance
• Grep Exact Match
• Grep Invert Search
• Grep On Continous Stream
• Grep Quiet Mode
• Grep Search For Multiple Strings
• Remove Empty Lines