unix试题
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2008-06-12
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题库 6
0、Which of the following can be used to change a user's initial group? A
A、usermod -g B、usermod -i C、usermod -G D、usermod -c
1、What is the minimum number of partitions needed to install Linux? D
A、1 B、3 C、4 D、2
2、What lilo option can be use to uninstall the boot loader? C
------------------ Explain ----------------
BGLI74:The correct answer(s): C Lilo is the Linux boot loader. It controls the Linux boot
process. The lilo boot loader is uninstalled using the -u option.
A、-r B、-b C、-u D、-l
3、Which of the following switches can be used with the fsck command to display status bars? D
A、-b B、-s C、-v D、-C
4、The command 'echo *' will accomplish which of the following? D
A、print out the * character B、clear the screen
C、nothing. It will return an error D、provide of listing of all the files in the current directory
5、What file does init processes use as its control file? C
------------------ Explain ----------------
BGLI28:The correct answer(s): C The /etc/inittab file is used to control init processes. The other
files do not exist.
A、/etc/initproc B、/etc/proc C、/etc/inittab D、/etc/init
6、You want to remove all jobs for user1 from the at queue. Which of the following commands
would you issue to do this? A
A、atrm -a user1 B、at -r user1 C、at -r user1 D、at rm user1
7、What command is used to change the group that is associated with a file? C
A、group B、change group C、chgrp D、groupadd
8、What syslog.conf facility is used to create timestamps in log files? A
A、mark B、tstamp C、time D、stamp
9 、 You want there to be 3 grace days after a password expires before an account becomes
disabled. How would you do this? B
A、check the delay option in user admin B、use the useradd command with the -f switch
C、use the useradd command with the -d switch D、edit the user's user.conf file
10、You want to do a system shutdown, but you don’t want the shutdown to occur immediately.
You want the system to wait 60 seconds before doing the shutdown. What option can be
used with the shutdown command to wait 60 seconds before starting the shutdown?
C
A、shutdown -w 1 B、shutdown -t 1 C、shutdown -t 60 D、shutdown -c 60
11、you want to modify the cron table for user2. Which of the following commands would allow
you to do this? C
------------------ Explain ----------------
BGLI61:The correct answer(s): C The cron utility can be used to schedule jobs or tasks. The
crontab command is used to manipulate a cron table. The -e option is used to edit the cron
table for a specific user.
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