Have you wondered how to lookup and refrence bash commands natively in the Linux command line? In this video we show you some tools that self-help your way into mastery!

00:00 Intro
00:28 apropos
01:47 whatis
01:59 whereis
02:13 which
02:56 info

Sometimes you might be looking to perform task in Bash but aren’t sure what command to use. Apropos lets you search for a list of commands based on keywords appearing in their man pages.

If you do know the command but not sure what it does, whatis will give you short, one-line description pulled from the man page.

To find the location of a command in the filesystem, both whereis and which will get the job done. Second one is more concise and useful for scripting purposes.

Lastly, the info is a command that yields info pages, an alternative to the man pages that gives you more detailed information.

Learning these self-help tools can save time when using the command-line, compared to Googling and reading through blog articles. It’s especially helpful if you’re on a system without Internet connectivity too!

We’re open to ideas and suggestions for more commands.

Let us know in the comments below!
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