IBM(000-223)章節(jié)練習(2019.05.12)

What is the most likely problem with this script （）
VAR=1  
（（VAR=$VAR+1））   
while [ $VAR -It 10 ]   
do  
echo $VAR 
done

Given the following script， why does the output come out as an empty line instead of "dog"（）#!/bin/ksh 
$VAR=dog 
echo "${VAR}"

In AIX Version 5.3， a system administrator wants to create a bootlist for normal bootups from a file  named /bootlist.norm. 
Which of the following is the proper command to accomplish this（）

Due to operational commitments， a system has a very short backup window during the week， but is not used from Saturday morning through Sunday at Midnight. 
Which of the following minimizes backup and recovery time， while providing complete data restore coverage （）

A System p administrator noticed several error messages on the screen while the system was booting up； but was not able to write them down. 
Where should the system administrator look for the console log， assuming it is in the default location（）