单选题
Operator needs to remove all leading comments # from shell.script file. Which of the following vi sub-command can achieve this?（）
:r/^#//g
:1,$ s/^#//g
:sed s/^#//g
:sub s/^#//g
单选题
An operator is asked to shutdown the telnet service for security reasons. What are the appropriate commands to achieve this?（）
comment out telnetd in /etc/services refresh -s inetd
comment out telnetd in /etc/inetd.conf refresh -s inetd
comment out telnetd in /etc/rc.tcpip refresh -s telnetd
comment out telnetd in /etc/inetd.conf refresh -s telnetd
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?（）
/usr/bin/java
/usr/jre1.5.0_06/bin/java
/usr/bin/jre1.5.0_06/bin/java
/usr/bin/java/jre1.5.0_06/bin/java
单选题
Which of the following is the correct command to list the filesystems in datavg?（）
lsvg -p datavg
lsvg -l datavg
lsvg -L datavg
lsvg -o datavg
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?（）
cd /var/spool
lcd /var/spool
cd /usr/bin /var/spool
lcd /usr/bin /var/spool
单选题
Which of the following will occur if an operator types the command vi file.out?（）
If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.
If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.
If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.
If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.
单选题
The operator needs to execute a long-running shell script. How can the script be executed so the operator does not have to wait until it is complete to access the command prompt?（）
./script.ksh
nohup ./script.ksh
run -b ./script.ksh
./script.ksh > nohup.out
单选题
When an operator is trying to log off the system displays this message: you have running jobs?? What does this mean?（）
One or more processes are running in the background, preventing log off.
One or more processes are paused, requiring operator input prior to logging off.
At least one process is running in the background and it will keep running after the operator logs off
At least one process is running in the background using nohup and it will terminate when the operator logs off
单选题
The operator needs to change the /test filesystem in the testvg volume group so that it mounts automatically following a system reboot. Which of the following commands is correct?（）
chvg -a y testvg
chfs -A yes /test
mount /test -auto=yes
chlv -a automount=y testlv
单选题
A system does not have a nameserver defined for IP address resolution. What file does AIX use to determine the IP address of a remote system?（）
/etc/hosts
/etc/names
/etc/rc.tcpip
/etc/resolv.conf
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