Manuals or other information for system users detailing software features and functionality.

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11
votes
3answers
3k views

Difference between help, info and man command

I know that these command will help to get syntax and options for commands but my question is that how they differ from each other?
17
votes
8answers
2k views

Beginning to learn Unix and Linux [closed]

I am a beginner, I want to learn unix and linux, and be a professional. Where should I start?
23
votes
4answers
1k views

How can I add man page entries for my own power tools?

I have no idea about how I can make my home-grown specialist scripts (written mostly in Bash and Perl) available through the man pages. What procedure would I have to follow, and is there a ...
9
votes
3answers
235 views

Why do some commands have man pages and other commands use --help?

Wouldn't it be more consistent if one of these always worked?
2
votes
2answers
544 views

What does the `who` command result `root :0` mean?

The return value of command who will always include root :0 in X Window pts. I guess it actually means the GNOME login. Am I right? Another question is where to get this knowledge, as I don't see it ...
5
votes
2answers
259 views

How do I look up exit codes for applications?

I'm having difficulty locating a comprehensive up-to-date list of error codes from Bash. e.g.: $ udevadm info /dev/sdx; echo Exit code $? Unknown device, --name=, --path=, or absolute path in /dev/ ...
6
votes
2answers
675 views

viewing info documentation with vim

I'm trying to use the ManPageView addon to view info documentation within vim. Although I find ManPageView very useful for, well, viewing manpages, its info-reading functionality doesn't seem to work ...
25
votes
19answers
5k views

Tricks and tips for finding information in man pages

Does anyone have any tricks and tips for finding information in man pages?
6
votes
4answers
2k views

Any good LVM tutorial?

I'm planning to user LVM in my next Linux installation, any links to good LVM tutorials/guides/FAQs would be welcomed.
3
votes
3answers
177 views

Interactive command usage reference: do you generally have that on Unix?

The question of why some commands rely on manpages whereas others rely on something like the --help flag for providing command usage reference is not new. There is usually a difference in scope ...
4
votes
1answer
55 views

POSIX usage standards for requiring at least one optional arg

So, I'm writing a CLI for an API, and I ran into a point where one of the commands support has two optional arguments, id and fields I want to know how to show that these arguments are optional, BUT, ...
3
votes
3answers
1k views

Where is “showing the output of the 'ls' command vertically” documented?

I found out it's possible to show the output of the ls command vertically using the -1 switch: $ ls -1 But couldn't find it in the manual of ls. Is it a secret option?
2
votes
5answers
811 views

missing man pages of some commands

Typing man alias gives me No manual entry for alias The same thing goes for export and eval. At first I thought it only happens to shell built-in commands but man echo gives me the man page. ...