grep
linuxUnix command-line utility for searching plain-text data for lines matching a regular expression pattern
Pronunciation
Correct
grep
/ɡrɛp/
One syllable, rhymes with 'prep'. Acronym for 'Global Regular Expression Print', originating from the ed editor command 'g/re/p'. Always pronounced as a single word, never spelled out.
Source: pubs.opengroup.org(official spec)