outlet - an opening that permits escape or release; he blocked the way out; the canyon had only one issue. exit, way out, issue. opening - a vacant or unobstructed space that is man-made; they left a small opening for the cat at the bottom of the door.
Differences between grep, pgrep, egrep, and fgrep (Linux): grep grep is an acronym that stands for Global Regular Expressions Print. grep is a program which scans a specified file or files line by line, returning lines that contain a pattern. A pattern is an expression that specifies a set of strings by interpreting characters as meta-characters.
ARCHIVED: In Unix, what do some obscurely named commands stand for? A list of some of the more obscurely named Unix commands follows: awk Aho, Weinberger, and Kernighan The awk scripting language was named by its authors, Al Aho, Peter Weinberger, and Brian Kernighan. For more, see ARCHIVED: What is awk, and how do I use it? grep