Suse linux enterprise desktop administration
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SUSE Linux Enterprise Desktop Administration. Chapter 3 Locate and Use Help Resources. Objectives. Objective 1—Access and Use man Pages Objective 2—Use info Pages Objective 3—Access Release Notes and White Papers Objective 4—Use GUI-Based Help Objective 5—Find Help on the Web.

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SUSE Linux Enterprise Desktop Administration

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Suse linux enterprise desktop administration

SUSE Linux Enterprise Desktop Administration

Chapter 3

Locate and Use Help Resources


Objectives

Objectives

  • Objective 1—Access and Use man Pages

  • Objective 2—Use info Pages

  • Objective 3—Access Release Notes and White Papers

  • Objective 4—Use GUI-Based Help

  • Objective 5—Find Help on the Web

SUSE Linux Enterprise Desktop Administration


Objective 1 access and use man pages

Objective 1—Access and Use man Pages

  • man command

    • The most important command for online help

  • All manual pages are available in English

    • And many have been translated into other languages

  • To display the English version of the man page for the man command

    • LANG=en_EN man man

SUSE Linux Enterprise Desktop Administration


Objective 1 access and use man pages continued

Objective 1—Access and Use man Pages (continued)

  • The first page of the manual pages

SUSE Linux Enterprise Desktop Administration


Objective 1 access and use man pages continued1

Objective 1—Access and Use man Pages (continued)

  • Parts of a manual page

Table 3-1 Parts of a manual page

SUSE Linux Enterprise Desktop Administration


Objective 1 access and use man pages continued2

Objective 1—Access and Use man Pages (continued)

  • The program man uses the program less to display the manual pages

    • Within less, the display of text is controlled by the keys shown in Table 3-2

  • The manual pages are organized in the sections shown in Table 3-3

  • It is especially important to know to which section a command belongs

    • When the command has more than one manual page

SUSE Linux Enterprise Desktop Administration


Suse linux enterprise desktop administration

Table 3-2 less command keys

SUSE Linux Enterprise Desktop Administration


Objective 1 access and use man pages continued3

Objective 1—Access and Use man Pages (continued)

Table 3-3 Sections in manual pages

SUSE Linux Enterprise Desktop Administration


Objective 1 access and use man pages continued4

Objective 1—Access and Use man Pages (continued)

  • You can display a brief description of all the available manual pages for a command or utility

    • By using the whatis command

  • Manual pages are located in the directory /usr/share/man/

SUSE Linux Enterprise Desktop Administration


Exercise 3 1 access and use man pages

Exercise 3-1: Access and Use man Pages

  • In this exercise, use the whatis and man commands to get information on the info command

    • In the manual page, look for filename

SUSE Linux Enterprise Desktop Administration


Objective 2 use info pages

Objective 2—Use info Pages

  • A whole series of programs are no longer provided with manual pages

    • Instead, info files are used, which can be read with the info command

  • info files are located in the directory /usr/share/info/

  • Advantages of the info file format:

    • It uses a structured document setup

    • Specific sections can be reached directly from the table of contents

    • Specific sections can be linked

SUSE Linux Enterprise Desktop Administration


Objective 2 use info pages continued

Objective 2—Use info Pages (continued)

  • The beginning of the info file for the info command

SUSE Linux Enterprise Desktop Administration


Suse linux enterprise desktop administration

Table 3-4 Most commonly used key commands for the infocommand

SUSE Linux Enterprise Desktop Administration


Exercise 3 2 access and use info pages

Exercise 3-2: Access and Use info Pages

  • In this exercise, use the info command to get information on info and navigate through the info text

SUSE Linux Enterprise Desktop Administration


Objective 3 access release notes and white papers

Objective 3—Access Release Notes and White Papers

  • Release notes, white papers, and other sources of helpful information

    • Stored in the directory /usr/share/doc/

  • This directory contains the following:

    • Release Notes

    • Manuals

    • Help for Installed Packages

    • HOWTOs

SUSE Linux Enterprise Desktop Administration


Release notes

Release Notes

  • When you complete the installation of SUSE Linux Enterprise Server

    • The release notes appear in a window

      • See Figure 3-1

  • You can find them in various languages in the directory /usr/share/doc/release-notes/SUSE_Linux Enterprise_Desktop__10/

SUSE Linux Enterprise Desktop Administration


Suse linux enterprise desktop administration

Figure 3-1 SUSE Linux Enterprise Desktop release notes

SUSE Linux Enterprise Desktop Administration


Manuals

Manuals

  • A PDF version of the manual is in /usr/share/doc/manual/sled deployment_en/

  • If you prefer HTML, an HTML version is available in the manual/subfolder

SUSE Linux Enterprise Desktop Administration


Help for installed packages

Help for Installed Packages

  • Help files are available in the following directory for most installed packages:

    • /usr/share/doc/packages/package-name/

  • These help files are written by the programmers of the package

    • Therefore, the format of these files is not standardized

SUSE Linux Enterprise Desktop Administration


Howtos

HOWTOs

  • You can find additional information (including background material) in the howtos

  • A howto is available for almost every imaginable topic in Linux

  • You can find a list of all current howtos at www.tldp.org

SUSE Linux Enterprise Desktop Administration


Objective 4 use gui based help

Objective 4—Use GUI-Based Help

  • An online help tool is available for graphical applications

    • See Figure 3-2

  • To start the online help, select Computer > More Applications > System > Yelp

    • Use the links to navigate through the content

    • You also can use the search function to speed up your search for help

  • The online help is available in most GNOME applications and can be started by pressing F1

SUSE Linux Enterprise Desktop Administration


Suse linux enterprise desktop administration

Figure 3-2 GUI-based help

SUSE Linux Enterprise Desktop Administration


Objective 5 find help on the web

Objective 5—Find Help on the Web

  • Some of the more frequently used Linux sites:

    • www.novell.com/linux

    • www.tldp.org

    • www.cert.org (especially for security issues)

    • www.securityfocus.com (especially for security issues)

    • www.kernel.org (especially for issues in connection with the Linux kernel)

    • www.novell.com/coolsolutions/ (follow the links on Linux)

SUSE Linux Enterprise Desktop Administration


Exercise 3 3 access release notes and find help on the web

Exercise 3-3: Access Release Notes and Find Help on the Web

  • In this exercise, you access release notes and find help on the Web

  • Use the Nautilus file manager to access the release notes in /usr/share/doc/releasenotes/

  • Start Firefox and access the Linux Documentation Project at www.tldp.org

    • Look for updates for SUSE Linux Enterprise Desktop 10 on the Novell support Web site

  • Then, use the Google Linux search engine to find information on GNOME and SLED10 in the Internet

SUSE Linux Enterprise Desktop Administration


Summary

Summary

  • There are several help resources available locally on your SUSE Linux system as well as on the Internet

  • The manual pages contain the syntax and usage of most commands and files on your system

  • The info pages are an alternative to the man pages that format information differently and can contain links to other sections

  • The /usr/share/doc directory contains the manual and release notes for the SUSE Linux installation

SUSE Linux Enterprise Desktop Administration


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