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单选题
An administrator needs to add the /usr/vac/bin directory to their PATH environment variable for the current session. Which of the following will accomplish this task（）
A
path=$path：/usr/vac/bin； export path
B
path.=/usr/vac/bin； export $path
C
Modify the path environment variable in /etc/profile
D
Modify the path environment variable in /.profile
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WhichactionchangesthedefaulteditorforALLusersonthesystemfromvitoeditofthefollowing?()
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Anadministratorneedstoaddthe／usr／vac／bindirectorytotheirPATHenvironmentvariableforthecurrentsession.Whichofthefollowingwillaccomplishthistask()
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WhichactionchangethedefaulteditorforALLusersonthesystemfromvitoedit()
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考题
An operator is asked to verify the exact location of the default JRE binary. The following commands were run:$ which java /usr/bin/java$ ls -l /usr/bin/javalrwxrwxrwx 1 root other 23 Jan 27 2006 /usr/bin/java - ../jre1.5.0_06/bin/javaBased on the command outputs above, what is the path to the java executable file?（）A. /usr/bin/javaB. /usr/jre1.5.0_06/bin/javaC. /usr/bin/jre1.5.0_06/bin/javaD. /usr/bin/java/jre1.5.0_06/bin/java
考题
An operator needs to change from the ／usr／bin to the ／var／spool directory. Which of the following commands will accomplish this?()
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考题
Which action change the default editor for ALL users on the system from vi to edit（）A、Issue the command： export EDITOR=/usr/bin/edit edit each user .profile to change the EDITOR value to /usr/bin/editB、Modify /.profile and change the EDITOR variable to /usr/bin/editC、Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITORD、Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit
考题
An operator needs to change from the /usr/bin to the /var/spool directory. Which of the following commands will accomplish this?（）A、cd /var/spoolB、lcd /var/spoolC、cd /usr/bin /var/spoolD、lcd /usr/bin /var/spool
考题
Which action changes the default editor for ALL users on the system from vi to edit of the following？（）A、Issue the command： export EDITOR=/usr/bin/editB、Modify /.profile and change the EDITOR variable to /usr/bin/editC、Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITORD、Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit
考题
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考题
A system administrator has just finished upgrading a system to AIX 5.2. If there are future problems， the system administrator would like to add an entry to the AIX errorlog to record this event. Which of the following commands can be issued for this purpose？（）A、/usr/bin/errmsg "System upgraded to AIX 5.2"B、/usr/bin/errlog "System upgraded to AIX 5.2"C、/usr/bin/errupdate "System upgraded to AIX 5.2"D、/usr/bin/errlogger "System upgraded to AIX 5.2"
考题
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考题
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考题
Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following？（）A、0 5 * * 6 /usr/local/bin/myscriptB、0 5 6 * * /usr/local/bin/myscriptC、6 * * 5 0 /usr/local/bin/myscriptD、5 0 Sat * * /usr/local/bin/myscript
考题
Given the following scripts， what output would be generated（） usr/local/bin/scriptl #!/usr/bin/ksh VARl=red export VARl=green VARl=blue /usr/local/bin/script2 ARl=yellow /usr/local/bin/script2 #!/bin/ksh echo "The sky is ${VAR1}."A、The sky is red.B、The sky is blue.C、The sky is green.D、The sky is yellow.
考题
When run on a machine called client， which of the following commands would mount the /usr/local/bin directory from the host machine over the /home/bin directory on client？（）A、mount host：/usr/local/bin /home/binB、mount client：/home/bin /usr/local/binC、mount -o client：/usr/local/bin /home/binD、mount -n host：/home/bin /usr/local/bin
考题
When run on a machine called client， which of the following commands will mount the /usr/local/bin directory from the host over the /home/bin directory on client？（）A、mount host：/home/bin /usr/local/binB、mount client：/home/bin /usr/local/binC、mount -n host /usr/local/bin /home/binD、mount -o host：/usr/local/bin /home/bin
考题
An administrator performs an audit on the /usr filesystem and finds the following permissions： -rwsr-xr-x 1 root sys 514288 Jun 18 09：40 /usr/local/bin/nmon Which of the following methods can the administrator use to remove a potential security risk（）A、rm /usr/local/bin/nmonB、chmod u-s /usr/local/bin/nmonC、Reinstall the file from the appropriate filesetD、chmod go-rx /usr/local/bin/nmon
考题
单选题When run on a machine called client， which of the following commands would mount the /usr/local/bin directory from the host machine over the /home/bin directory on client？（）A
mount host：/usr/local/bin /home/binB
mount client：/home/bin /usr/local/binC
mount -o client：/usr/local/bin /home/binD
mount -n host：/home/bin /usr/local/bin
考题
单选题Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）A
export LD_PRELOAD=/usr/local/libB
export LD_LIBRARY_PATH=/usr/local/libC
Idconfig /usr/local/libD
Idd/usr/local/lib
考题
单选题A system administrator has just finished upgrading a system to AIX 5.2. If there are future problems， the system administrator would like to add an entry to the AIX errorlog to record this event. Which of the following commands can be issued for this purpose？（）A
/usr/bin/errmsg System upgraded to AIX 5.2B
/usr/bin/errlog System upgraded to AIX 5.2C
/usr/bin/errupdate System upgraded to AIX 5.2D
/usr/bin/errlogger System upgraded to AIX 5.2
考题
单选题Given the following scripts， what output would be generated（） usr/local/bin/scriptl #!/usr/bin/ksh VARl=red export VARl=green VARl=blue /usr/local/bin/script2 ARl=yellow /usr/local/bin/script2 #!/bin/ksh echo "The sky is ${VAR1}."A
The sky is red.B
The sky is blue.C
The sky is green.D
The sky is yellow.
考题
单选题An administrator performs an audit on the /usr filesystem and finds the following permissions： -rwsr-xr-x 1 root sys 514288 Jun 18 09：40 /usr/local/bin/nmon Which of the following methods can the administrator use to remove a potential security risk（）A
rm /usr/local/bin/nmonB
chmod u-s /usr/local/bin/nmonC
Reinstall the file from the appropriate filesetD
chmod go-rx /usr/local/bin/nmon
考题
单选题When run on a machine called client， which of the following commands will mount the /usr/local/bin directory from the host over the /home/bin directory on client？（）A
mount host：/home/bin /usr/local/binB
mount client：/home/bin /usr/local/binC
mount -n host /usr/local/bin /home/binD
mount -o host：/usr/local/bin /home/bin
考题
单选题Which action change the default editor for ALL users on the system from vi to edit（）A
Issue the command： export EDITOR=/usr/bin/edit edit each user .profile to change the EDITOR value to /usr/bin/editB
Modify /.profile and change the EDITOR variable to /usr/bin/editC
Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITORD
Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit
考题
单选题An operator needs to change from the /usr/bin to the /var/spool directory. Which of the following commands will accomplish this?（）A
cd /var/spoolB
lcd /var/spoolC
cd /usr/bin /var/spoolD
lcd /usr/bin /var/spool
考题
单选题An operator is asked to verify the exact location of the default JRE binary. The following commands were run: $ which java /usr/bin/java $ ls -l /usr/bin/java lrwxrwxrwx 1 root other 23 Jan 27 2006 /usr/bin/java - ../jre1.5.0_06/bin/java Based on the command outputs above, what is the path to the java executable file?（）A
/usr/bin/javaB
/usr/jre1.5.0_06/bin/javaC
/usr/bin/jre1.5.0_06/bin/javaD
/usr/bin/java/jre1.5.0_06/bin/java
考题
单选题An administrator needs to add the /usr/vac/bin directory to their PATH environment variable for the current session. Which of the following will accomplish this task（）A
path=$path：/usr/vac/bin； export pathB
path.=/usr/vac/bin； export $pathC
Modify the path environment variable in /etc/profileD
Modify the path environment variable in /.profile
考题
单选题Which action changes the default editor for ALL users on the system from vi to edit of the following？（）A
Issue the command： export EDITOR=/usr/bin/editB
Modify /.profile and change the EDITOR variable to /usr/bin/editC
Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITORD
Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit
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