From the course: SUSE Linux Enterprise Server Essential Training
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Get help at the command line - Linux Tutorial
From the course: SUSE Linux Enterprise Server Essential Training
Get help at the command line
- [Instructor] So we've got all these commands that can be used at the command line. But if you're not familiar with them, it's difficult to use them, or know which command to use in the first place. So I'm gonna teach you a few tips so you can get some help. So the first thing, is help. Let's actually type help and see what happens. If I type in help, well, it doesn't look too helpful, but it is kind of helpful. Let's use our shift page up key and shift page down key to see more of this. And what help does, is help, by default, lists the commands in the bash shell. But just the listing isn't very helpful, so let's pick one. Let's pick mapfile. What is a mapfile? And if we type help mapfile, we get information about mapfiles. Again, you can use your shift page up and page down if there's more than one screen worth. And you can see what a mapfile is, and the options you can use with it. So if it's a command that's part of the shell, then we can use the help command to get information…
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