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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML
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>Preliminary Exercises</TITLE
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>Advanced Bash-Scripting Guide: An in-depth exploration of the art of shell scripting</TH
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><H1
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>2.2. Preliminary Exercises</H1
><OL
TYPE="1"
><LI
><P
>System administrators often write scripts to automate common
	  tasks. Give several instances where such scripts would be
	  useful.</P
></LI
><LI
><P
>Write a script that upon invocation shows the
	  <A
HREF="timedate.html#DATEREF"
>time and date</A
>, <A
HREF="system.html#WHOREF"
>lists all logged-in users</A
>, and gives
	  the system <A
HREF="system.html#UPTIMEREF"
>uptime</A
>. The script
	  then <A
HREF="io-redirection.html#IOREDIRREF"
>saves this information</A
>
	  to a logfile.</P
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