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To access the contents, click the chapter and section titles.
Complete Idiot's Guide to Linux
Online Help via /usr/docLinux stores many documentation and supplemental information files in /usr/doc. This directory is littered with a series of directories named after the program or tool to which they belong. Inside each you will typically find a README file containing some last-minute information about the program and frequently asked questions (FAQs) to features or issues with the program. This information is in addition to any documentation that you might find through man or other documentation readers. The online help the in /usr/doc directory also contains some of the most important general Linux information on your computer:
These documents are located in /usr/doc/html, but they are stored in HTML format, which means that you wont want to read them with a pager like less. You can access them in two ways, depending on whether you are in a KDE (X) session or a console. In a KDE session, launch Netscape Navigator to view the online manuals. The actual URL is file:/usr/doc/html/index.html; as shipped, Navigator is configured to open a link to this page by default. If you are working from a console, start the text-based Lynx browser by typing lynx at the command line. Lynx is also configured to go to this page by default. In addition to using Navigator and Lynx, if you are in KDE, you can type the URL into KFMs URL location field, and KFM will display the documentation for you. More about HOWTO documentsMost standard Linux distributions include HOWTO documents. These documents explain how to do many things, like how to set up a DNS server in your box and how to configure a sound card. Most of these documents are written by fellow users or the developer of a tool as a help to the Linux community. Many of these documents are invaluable. However, most are too long (the average document is about 60 pages long!) and tend to include a lot of peripheral information. This could present some difficulty to users who are new to Linux; their background level is not the same as that of a hacker. But this is what you get. In a free OS, its not too easy to come by a good technical writer who can distill what you need to know from what is nice to know. The HOWTO documents on OpenLinux 1.3 systems can be found by visiting the online documentation URL in /usr/doc, as we discussed in the previous section. Mini HOWTOsThe mini HOWTO is similar in spirit to a HOWTO document; however, mini HOWTOs tend to be more free-form and shorter. HOWTO documents follow certain formatting standards that dont bind mini-HOWTOs. Mini HOWTOs can be found in the HOWTO index page on your OpenLinux 1.3 computer, and are designated by the word Mini somewhere in the title. LDPLinux Documentation ProjectThe LDP is probably the most useful and most helpful online information about Linux. The LDPs goal is to create reliable documentation for Linux, covering installation, kernel development, kernel information, network administration, system administration, and user guides. The authors at the LDP make sure that the documentation distributed with Linux is accurate and up-to-date. Some of the manuals developed by LDP are available online in your system, as weve already discussed. Others are available through the Internet. If you have Internet access, you can view the latest documentation at http://sunsite.unc.edu/LDP. In addition to providing online manuals and HOWTO documents, the LDP is responsible for maintaining a number of FAQ (Frequently Asked Questions) documents about Linux. These can be found at the LDP homepage on the Internet. Reading Compressed Documentation: zlessOccasionally, you may encounter compressed documents in /usr/doc or other help areas on you Linux computer. Compressed documents can be identified because they end with one of the following filename extensions: .qz, .z, or .Z. When you encounter a compressed document on you Linux computer, you will either need to decompress it before reading it or use a special utility that can peek into compressed documents. zless is a tool that allows you to view compressed text files (filenames ending in a .gz, .z, or .Z) with the less pager. If the zless command is not available, you can achieve the same by using zcat and less in a pipe: zcat filename | less
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