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How to find man pages

By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Super User is a question and answer site for computer enthusiasts and power users. It only takes a minute to sign up. For example, if you just wanted to get a list of all man pages for all executable commands section 1 :. This produces a list of all man files, using the list of man directories that is produced by "man -w", however, cYrus's any-character-regex solution is much better, pipe though awk to get a clean list of just the page names:. However, on macOS, the man -k , apropos and whatis commands do not support filtering by section.

SEE VIDEO BY TOPIC: Linux Video Man Pages - find

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SEE VIDEO BY TOPIC: Linux Man Pages - A Quick Tutorial

Master the command line: How to use man pages

While they're not all well-advertised, there are actually a variety of means of getting help under Unix. Man pages correspond to online manuals for programs, file formats, functions, system calls, and so forth. If you've never read one before, the best way to start is by typing 'man man ' at the command line.

Of course, while man pages are a vast improvement over the online documentation of most other OSes, they suffer from many failings: some people don't like to read text on the screen not very helpful unless you already know what to look for not always accessible even when present not always present, especially under Linux frequently hard to read, as they try to be authoritative and are therefore often too technical for new users frequently out of date That said, they're still better and more comprehensive than the alternatives.

We'll try to address the first three failings in this document. Man pages are the standard documentation for every Unix; you're sure to come across a reference before too long of the form:. Where N is a number from , possibly followed by a letter. Here's an example we'll pick apart note: this example does not apply to all UNIX's but should be taken as general form. This means that the MKDIR command is documented under that name, in section 1 given within parentheses.

The section may be necessary in case there are multiple man pages for the same name. In the example above there are man pages called 'mkdir' in both sections 1 and 2v. If unspecified, man will give you the first manpage it finds. The -f option will show you all the available man pages for a given name.

You should be able to get a description of each section they vary from Unix to Unix by doing. This discribes the various flags and the proper format the command requires. The flag in this instance is -p and the syntax requires a directory name to follow. This function is also available by running apropos 1 , i. It lets you search the database of man page summaries to look for a keyword that might be mentionned in them. Suppose we were looking for utilities to manipulate postscript documents.

This produces a list, with summaries, of man pages which are likely to be related to your topic. Note, these commands search the database which in most cases must be built by the system administrators, a task which is sometimes forgotten.

If you can't find what you are looking for and you believe it's there, try doing. SunOS has no such option. There can be several hierarchies of man pages, depending on the system.

The command whereis may be able to help here. For example: note: this specific example should not be taken as generic under Unix but only as a illustration of possible results. Alternatively, you can just try the quick-and-dirty method of running grep 1 in the man directories you think might contain the command you are looking for; note that man pages are not stored in plain text format so the output may not be always readable.

Ok, you have tried the suggestions given above to locate man pages, and still have not had any luck. It's quite possible there is no man page corresponding to what you're looking for - either because the tool or functionality you're searching for isn't installed on the system or because it has no man page installed the latter is far more common under Linux than elsewhere.

Let's suppose that you're especially determined because you "know" that the command exists - it does something, just not quite what you want. Rather than get irate at the undocumented command, first make sure that it is actually a program that deserves a man page; here's an algorithmic approach to looking for a command's help file.

If you are given a path, then you may be justified in being irate. Or maybe the documentation is in another format; keep reading. You have a couple of options here, depending on whether you mind wasting a full page of paper for each page of text.

We recommend printing man pages at least half-size, as you're unlikely to return to them a month later. This will produce a file called Manpage. Unfortunately, while the -t parameter is itself portable to virtually all man implementations, the output is not.

Under Linux, the above works fine. If you have trouble getting psnup to work or don't feel like fooling around with it, you can always work with text instead. Personally, I recommend previewing the output with ghostview 1 beforehand. Not all documentation is located in the manpages. The shells sometimes have online help, as do various other programs, especially graphical ones.

Info isn't really complex enough to deserve describing in detail. In brief, you can read info pages within emacs using 'C-h i' 'info' or from the command line using the command.

Online help and a tutorial on the info system are available from within both interfaces. Don't discount info pages; although they are used mainly by GNU software, this includes such hugely useful info pages as gdb , gcc , emacs , gawk , and make.

Perl and bash also have info pages, though the information is available by other means as well in their cases. Only available under Linux, and often not terribly interesting, as a well-behaved package will provide documentation that can be integrated with the major help systems. Still, there is a lot there, and should definitely be considered if you cannot find what you are looking for elsewhere. We will make the assumption that you know how to deal with these formats.

Use the information in this document to find help and read up on lynx 1 , ghostview 1 , and less 1. These are more common to the servers, though they may exist on Linux machines as well. Software packages are commonly installed into.

Sometimes there is documentation to be found there. Much Perl documentation is embedded with the source modules themselves. To access it, you can usually do. While it should probably be a last resort, the source IS always the most current and sometimes the only documentation available for a particular package.

Whether or not the program you are trying to learn more about is written in a compiled or interpreted language.

How to Search Man Pages at the Command Line

While they're not all well-advertised, there are actually a variety of means of getting help under Unix. Man pages correspond to online manuals for programs, file formats, functions, system calls, and so forth. If you've never read one before, the best way to start is by typing 'man man ' at the command line. Of course, while man pages are a vast improvement over the online documentation of most other OSes, they suffer from many failings: some people don't like to read text on the screen not very helpful unless you already know what to look for not always accessible even when present not always present, especially under Linux frequently hard to read, as they try to be authoritative and are therefore often too technical for new users frequently out of date That said, they're still better and more comprehensive than the alternatives.

By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Super User is a question and answer site for computer enthusiasts and power users. It only takes a minute to sign up.

By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. It only takes a minute to sign up. Pay attention to the section number: Suppose you want help on printf. The bash version of printf is in section 1, the C version is in section 3 or 3C. If you don't know which one you want, type man -a printf , and all manual pages will be displayed.

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By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Ask Ubuntu is a question and answer site for Ubuntu users and developers. It only takes a minute to sign up. I'm new to Linux. I got the "Unix And Linux System Administration Handbook" It speaks of several verisons of linux and unix, and the commands for viewing linux man pages and not specific to ubuntu. You can also view man pages in a browser. Your knee-jerk reaction when trying to study about new command or config file should be:.

Is it some kind of arcane knowledge, handed down only to initiates after grueling initiations? Well, no. Actually, anyone can learn about Terminal commands, if they know where to look. The key to Terminal wisdom is the man command.

Command line users are undoubtedly familiar with man pages, or manual pages, that contain details, help , and documentation to specified commands and functions. Referencing a man page can be essential when trying to learn proper syntax or how a command works, but with how large some manual pages are it can be a real drag to scroll through the entire man page to try and find a relevant portion.

Ускоренное проигрывание видеозаписи придавало изображению некоторую комичность. Вот Танкадо вышел на открытое место и залюбовался открывшимся перед ним зрелищем. Он козырьком поднес руку к глазам и стал разглядывать шпили над внушительным фасадом. - Смотрите внимательно, - предупредил Смит.

Как трасса, на продолжение которой не хватило денег, улочка вдруг оборвалась. Перед ним была высокая стена, деревянная скамья и больше. Он посмотрел вверх, на крышу трехэтажного дома, развернулся и бросился назад, но почти тут же остановился.

Он в последний раз бросил взгляд на труп на алюминиевой столешнице. Покойный лежал на спине, лицом вверх, освещаемый лампами дневного света, вроде бы ничего не скрывая. Беккер непроизвольно снова и снова вглядывался в его странно деформированные руки. Он присмотрелся внимательнее. Офицер выключил свет, и комната погрузилась в темноту. - Подождите, - сказал Беккер.

 - Второе, что никогда не ставилось под сомнение, - это чутье Мидж.  - Идем, - сказала она, вставая.  - Выясним, права ли. Бринкерхофф проследовал за Мидж в ее кабинет. Она села и начала, подобно пианисту-виртуозу, перебирать клавиши Большого Брата. Бринкерхофф посмотрел на мониторы, занимавшие едва ли не всю стену перед ее столом. На каждом из них красовалась печать АНБ.

Jan 22, - Search through Ubuntu Manpages at: avenuedespros.com share When for example you type man ls, you will see LS (1) at the top, numbers mean:How can I search within a manpage? - Ask Ubuntu.

Через тридцать секунд с отчетом было покончено. С шифровалкой все в полном порядке - как. Бринкерхофф хотел было уже взять следующий документ, но что-то задержало его внимание. В самом низу страницы отсутствовала последняя СЦР. В ней оказалось такое количество знаков, что ее пришлось перенести в следующую колонку.

 Королева информации! - приветствовал ее толстяк. Он всегда питал слабость к Мидж Милкен. Умница, да к тому же единственная женщина, не упускавшая случая с ним пококетничать.

Именно эта целеустремленность всегда изумляла, эта неколебимая верность принципам, стране, идеалам. Что бы ни случилось, коммандер Тревор Стратмор всегда будет надежным ориентиром в мире немыслимых решений. - Так ты со мной, Сьюзан? - спросил .

 Осторожно! - сказала Соши.

Он попытался что-то сказать, но Сьюзан была полна решимости. Ей хотелось поскорее оказаться в Третьем узле, и она достаточно хорошо изучила своего шефа, чтобы знать: Стратмор никуда не уйдет, пока она не разыщет ключ, спрятанный где-то в компьютере Хейла. Ей почти удалось проскользнуть внутрь, и теперь она изо всех сил пыталась удержать стремившиеся захлопнуться створки, но на мгновение выпустила их из рук. Створки стали стремительно сближаться.

 Сьюзан, это Дэвид. Я тебя разбудил. Она улыбнулась и поудобнее устроилась в постели. - Ты мне только что приснился. Приходи поиграть. - На улице еще темно, - засмеялся .

Линия Джаббы оказалась занята, а службу ожидания соединения Джабба отвергал как хитрый трюк корпорации Американ телефон энд телеграф, рассчитанный на то, чтобы увеличить прибыль: простая фраза Я говорю по другому телефону, я вам перезвоню приносила телефонным компаниям миллионы дополнительных долларов ежегодно. Отказ Джаббы использовать данную услугу был его личным ответом на требование АН Б о том, чтобы он всегда был доступен по мобильному телефону. Чатрукьян повернулся и посмотрел в пустой зал шифровалки.

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