Unix面试题（英文 附答案）2-5

81, Your system has a default mode of 666. You specify a umask value of 222. What will be the default permissions?A  444    
82，Your system has a default mode of 666. You specify a umask value of 022. What default permissions will the file owner have?A  6  
83，Your system has a default mode of 666. You specify a umask value of 022. What permissions will everyone except the owner and the owner's group have?
  D   4
84，Hard-linked files share the same _______.
A  inode  
85，Which of the following commands can be used to change the owner of a particular file?   D   /
86，External file systems are usually mounted from the ________ directory?
A  /mnt   
87，The ____ directory is usually dynamic and contains system information?
D   /proc
88，Device files are usually located in the ______ directory.C  /dev  
89, The system kernel is usually stored in the _____ directory.
A  /boot   
90，Temporary files are generally stored in the _____ folder.  C   /temp  
91, The database used by the locate utility to find files is updated by what program?   B  updatedb    
92, You have just renamed a file. You attempt to find the file by using the locate program. You are unable to find the file. What should you do?
    D   manually run updatedb
93，You want to find the full path of a certain command. How would you do this?C  by using the ‘which' command   
94, What lilo option will list the name and location of available kernels?B  -q   95, You want to uninstall lilo. Which of the following would you do to accomplish this?A  lilo -u 
96，You want to set a script to run when your Linux system reboots. What lilo option should you use?   B   -R 
97, You want to set a 30 second delay before your system boots to the default kernel. Which of the following command lines would do this?  B  lilo -d 30     98, Which lilo.conf parameter will specify the amount of time the system will wait before booting to the default image?    D   delay
99, What lilo.conf parameter is used to specify vga text mode?   D  vga
100, What lilo.conf parameter is used to specify what device should be mounted as root by default?  B  root