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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

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

slide7

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

slide13

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

slide17

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

slide22

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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