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

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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?
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 ...
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?
16
votes
3answers
706 views

Documentation: Architecture of Linux Session

I'm looking for a good overview documentation describing the the stack of daemons and services involved in a modern Linux session. Although having read various documentation about dbus, and systemd ...
12
votes
2answers
376 views

How updated and relevant is “The Linux Documentation Project”?

I have been advised by many senior Unix/Linux Administrators to go through "The Linux Documentation Project" on the site www.tldp.org. Its undoubtedly a very rich site, but I saw many tutorials (as ...
11
votes
2answers
2k views

Does `kill -p` really work?

In the man page of kill it is written as following SYNOPSIS kill [ -s signal | -p ] [ -a ] [ -- ] pid ... kill -l [ signal ] -p Specify that kill should only print the process id ...
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?
11
votes
6answers
5k views

What are good online resources for learning shell scripting? [closed]

I am a beginner to shell scripting. I have not yet hardly coded a single program, but I am interested in learning it completely. Can anyone suggest some good online resources which will guide me?
11
votes
3answers
316 views

Where to find explanation of kernel processes?

I want to know about kernel processes, like [migration], [kswapd], etc. Where are kernel processes like these documented?
10
votes
2answers
653 views

How to document my custom bash functions and aliases?

Problem: I have multiple bash functions and aliases. I can't remember all of them off the top of my head, so I usually end up opening my .bash_functions and .bash_aliases files to find what I need. ...
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?
7
votes
1answer
378 views

What is the font used for GNU documentation?

I am interested in learning how documentation for GNU related software is written, and am wondering what type of font is used in their PDF documentation? (for instance, the GCC manual here: ...
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.
6
votes
2answers
516 views

Where can I find official POSIX and UNIX documentation?

I am looking for official documents on all POSIX standards and specifications. I would like to be able t read the docs to get a better understanding of UNIX systems and how they work at a low level. ...
6
votes
1answer
345 views

Difference between `info` and `pinfo`

What's the difference between info and pinfo besides color? pinfo is: a program for viewing info files while info is: Read documentation in Info format I tried to search the web for the ...
6
votes
1answer
112 views

List of error messages available for a command in Unix

Is it possible to find out what error messages a command includes? For example I want to see the list of error messages that mkfs.ext3 command will print in different error situations. Shall I look ...
6
votes
2answers
676 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 ...
6
votes
1answer
129 views

Where can I find out how to write a shell script that is as portable as possible? [duplicate]

Possible Duplicate: Resources for portable shell programming I want to write a shell script that is intended for further distribution. So I'd like to write it in a way that is as portable ...
5
votes
2answers
260 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/ ...
5
votes
2answers
162 views

Is there a readme reader like man?

man is the quick interface to online reference manuals. These are usually stored in /usr/share/man/manN/blah.gz, or similar. Most debian packages also come with a README.debian, which is stored in ...
5
votes
1answer
90 views

Where would I start looking for documentation on the graphical mode of the Linux console?

I'm writing my own display server as an educational exercise. Where in the Linux kernel tree would I look for documentation on the console's graphical mode? Basically, as I understand it, Xorg takes ...
4
votes
3answers
330 views

What documentation shows the associated numbers for linux signals like SIGTERM and SIGKILL?

I can look around the internet and find that the associated number for SIGKILL is 9, but is there linux documentation (such as, a man page) showing the complete list of signals and their numbers?
4
votes
2answers
662 views

Documentation of kernel parameters

Where can I find a technical description of the kernel parameters listed in /proc/sys (ob Linux)?
4
votes
2answers
976 views

What is the “caller” command?

I'm running Ubuntu 10.10 with openbox running on top. I noticed today a command called caller, however there is no man page, it does not respond to any input (or --help) and whereis doesn't find it. ...
4
votes
2answers
450 views

Viewing Debian documentation offline

How do I read various manuals, guides and howtos, which are usually in the form of deb packages with names ending in -doc and installed in /usr/share/doc directory?
4
votes
1answer
262 views

unixODBC documentation / manpage?

Just wondering if there is any official documentation for unixODBC, e.g. how the configuration files have to look like and what parameters they expect? (I am using only a shell, no GUI) Even ...
4
votes
1answer
411 views

Writing command synopsis in standard man format

I am writing a script and in the usage() function I want to specify the usage. My script uses either option1 or option2 or both. One of them is mandatory. Is there a standard way to write it up?
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
6answers
294 views

What GNU/Linux magazines, e-zines are available? [closed]

What GNU/Linux specific magazines, e-zines (free and paid) are there ?
3
votes
3answers
511 views

if/then/else man page

I would like to know if there is any man page documenting the construction of the most basic script commands like if/then/else, while, for each, and all the relative switches, like -eq, -e, -ge, and ...
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?
3
votes
3answers
179 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 ...
3
votes
6answers
215 views

Extracting help message from script itself

I want that my help message be extracted from the script itself. #!/bin/bash # # foo - do things # Author: John Doe <jhon@doe> # ---------------------------------------------- # SYNOPSIS # ...
3
votes
1answer
28 views

How to create Info documentation?

How can I add man page entries for my own power tools? got me thinking: How would one create an Info page?
3
votes
1answer
114 views

Reading Ubuntu installed magazines

I installed a digital edition of a magazine from the Ubuntu Software Center. But how do I read it? Is there an accessory tool to access it?
3
votes
2answers
100 views

Reference documentation for cgroups (control groups) settings

I'm looking for some reference documentation to explain what each of the settings are, for each control group. For example, there's cpuset.cpus, I think setting this to 0 means use all CPUs, setting ...
3
votes
1answer
54 views

Is there a man section or other doc repository for data structure definitions?

For the millionth time or so I had to look in /usr/include/foo.h to find the members of a struct foo or foo_t or whatever. There's a man section for library and kernel calls, some of which include ...
3
votes
2answers
2k views

Where are the command-line options to perl documented?

On StackExchange I came across a command that looked like this: perl -pe ... Curious what the -pe options meant, I did man perl. This is the synopsis of that man page: perl [ -sTtuUWX ] [ ...
3
votes
1answer
377 views

Where do I find ioctl EVIOCGRAB documented?

I want to use the ioctl EVIOCGRAB function in a C based program, and from googling around I have found various bits of example source code that use the function, but I am struggling to find explicit ...
2
votes
5answers
814 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. ...
2
votes
2answers
699 views

Where can I find some good documentation for bash printf?

man printf, info printf and printf --help are all pretty useless to me; I want an explanation of the FORMAT options. For example, I could use: printf '%s\n' foo bar and get output: foo bar From ...
2
votes
4answers
140 views

SDK for Developer

Is there any SDK for developers under Linux? I mean more than man pages, it would be more like MSDN Library or Windows SDK under windows, where all documentation about programming and developer guide ...
2
votes
2answers
1k views

List of available command options?

I'm currently setting up my first web server without a control panel and so far things are going pretty good! I was just wondering if anyone could direct me to somewhere that explains all of the ...
2
votes
2answers
546 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 ...
2
votes
1answer
430 views

What is the significance of the “1” in ls(1)? [duplicate]

Possible Duplicate: What do the numbers in a man page mean? I see functions referred to with numbers in the parenthesis in documentation. What does this mean? It takes one argument? ...
2
votes
1answer
43 views

Where is using @ before a date string for seconds since the epoch documented?

GNU date and touch commands (and presumably others) use @date to define a date string as seconds since the epoch. For example: $ TZ=UTC date -d@10 Thu Jan 1 00:00:10 UTC 1970 I was answering a ...
2
votes
1answer
617 views

Where is the documentation for net.ipv4.conf.all.log_martians?

Where is the documentation for net.ipv4.conf.all.log_martians sysctl setting? There are man pages for various other TCP/IP/UDP (man 7 tcp, man 7 upd, man 7 ip) settings, but I cant find the ...
2
votes
2answers
932 views

where does lspci gather its information from?

In kernel.org's documentation on proc I found "[The latest version of this document is available online". There I says: "… lspci is a synonym for cat /proc/pci". Which isn't the ...
2
votes
1answer
1k views

Where are the CentOS 6.4 documents?

I'm only able to find up to version 5 on CentOS.com: http://www.centos.org/docs/ Even though CentOS 6 was released back in mid-2011..
2
votes
3answers
77 views

Is there html documentation finder/searcher, like info utility for info files?

Many packages have their documentation in html. Is there some sort of man or info utility to find locally installed html documentation and work with it? I mean, I need a program which would ...