Unix面试题（英文 附答案）3-1

0、Which of the following can be used to change a user's initial group?   A
A、usermod -g 
1、What is the minimum number of partitions needed to install Linux?  D、2
2、What lilo option can be use to uninstall the boot loader?  C、-u 
3、Which of the following switches can be used with the fsck command to display status bars?  D、-C
4、The command ‘echo *' will accomplish which of the following? 
  D、provide of listing of all the files in the current directory
5、What file does init processes use as its control file?  C、/etc/inittab 
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、atrm -a user1
7、What command is used to change the group that is associated with a file?     C、chgrp  
8、What syslog.conf facility is used to create timestamps in log files? A、mark 9、You want there to be 3 grace days after a password expires before an account becomes disabled. How would you do this?
B、use the useradd command with the -f switch
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、shutdown -t 60 
11、you want to modify the cron table for user2. Which of the following commands would allow you to do this?  C、crontab -e user2 
12、Which of the following is more secure when connecting to a remote machine?  B、ssh
13、Can regular users view disk quotas for other users?  A、No
14、What option can be used with the shutdown command to skip fsck on reboot?   B、shutdown –f
15、The ______ file controls what users have access to the cron utility.  
 D、cron.allow
16、You are adding a new user. You want to create the user's home directory only if the directory does not exist. Which of the following would accomplish this? C、useradd -m  
17、What run level represents basic multi-user?   D、2
18、You want to display default user options. Which of the following would allow you to do this?  A、useradd -D 
19、Which of the following can be used to change a user's home directory?   B、usermod -d 
20、Which of the following syslog identifiers represents the highest priority?  C、critical