In Command
Published in

In Command

The anatomy of a command-line program

Running a command line program can be as simple as typing its name which can be as short as a single letter:

~ $ w
14:40 up 13 days, 3:20, 11 users, load averages: 5.06 4.65 4.50
USER TTY FROM LOGIN@ IDLE WHAT
bobby console - 28Jan22 13days -
...
w is a program that tells you who’s logged in and what they’re doing

It’s rarely that simple, though. When a command involves running a program, it’s…

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