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A minor correction. It also could be the absolute path of an executable,
for example:

/usr/bin/gzip

In this case, the shell whill not perform lookup in the path.

Ben Measures wrote:
| Arye Hartmann wrote:
|
|> Please forgive my ignorance
|> what is the distinction between Linux commands
|> and shell commands
|> Arye
|
|
| There is no such thing as a "Linux command".
|
| When you type something into the command prompt, the shell first
| interprets this. If what you type matches the syntax of one of the
| commands the shell provides, then the shell runs the line(s) you typed.
|
| If, on the otherhand, what you type doesn't match any commands the shell
| provides, the shell will execute and pass on the arguments to any
| matching executable in your path.
|

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