Module 02- Using Command-Line Features and Online Help Resources

7/29/2019 Module 02- Using Command-Line Features and Online Help Resources

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Module 2

Using Command-Line Features andOnline Help Resources


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Objectives

Upon completion of this module, you should

be able to:

Construct and execute commands from thecommand line

Use online documentation


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Constructing and Executing Commands

From a Command LineThe following are reviewed:

Introducing command-line syntax

Entering multiple commands on a singlecommand line

Control characters


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Command-Line Syntax You can change the behavior of command functions by

using options and arguments, as shown in the followingtable.

Use commands: uname,date,cal,clear

Use commands with options:uname

i, uname

sr, uname -a Use commands with arguments: cal 7 2009

Use commands with options and arguments: ls, ls l, ls l /etc


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Entering Multiple Commands on a Single

Command Line

You can enter multiple commands on a single command line by

using a semicolon (;) to separate each command.

Example: $ date;uname

$ cal 12 2009; date; uname -rs

The shell recognizes the semicolon as a command separator.


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Using Online Documentation

The Solaris OS provides online manual

pages,which describe commands and their

usage. This section reviews:Displaying the online manual pages

Scrolling in man pages

Searching the man pages


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Displaying the Online Manual Pages

The online UNIX Reference Manual (man) pages provide detailed

descriptions of UNIX commands and how to use them.

The syntax of the man command is:

man command

man option command

man option filename

Example: $ man uname

Use the man command to display the man page entry that explainsa given command.


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Scrolling in Man Pages

This table shows the keys on the keyboard that you use

to control the scrolling capabilities when you are in the

man pages.


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Searching the Man PagesThere are two ways to search for information in the man pages:

Search by section: The online man-page entries are organized into sections based on the type or

use of the command or file. For example, Section 1 contains user commands,while Section 4 contains information about various file formats.

Syntax:man -s number command

Example: $ man -l passwd

passwd (1) -M /usr/man

passwd (4) -M /usr/man

$ man -s 4 passwdReformatting page. Please Wait... done


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Using Online Product Documentation

To start a web browser in the desktop environment, click

the clock icon located on the front panel.

To access comprehensive information on Sun products,

visit the Web site http://docs.sun.com using your webbrowser.


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The docs.sun.comWeb Site


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Exercise: Using Command-Line

Features Objectives

Tasks

Discussion

Solutions

Documents

Module 02- Using Command-Line Features and Online Help Resources