Multiple choice technology operating systems

Which of the following command is not a filter?

  1. man

  2. cat

  3. pg

  4. sed
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In Unix terminology, a filter is a command that reads from standard input and writes to standard output. The man command displays documentation and doesn't act as a filter. Commands like cat, pg (pager), and sed are standard filters that transform data streams.

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