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.
command to generate a list of processes running on the system, and pipe them to. to display them one screen at a time. search the inetd.conf file, and print all lines that contain telnet. search the main system log for entries that mention the disk arbitration daemon.s-ax | grep netinfod use the ps command to generate a list of processes running on the system, then pipe the list through grep, which will print only those lines containing netinfod. Note: this will list all runing netinfod processes, and also list the process running grep itself.