当前分类： LX0-101
问题：单选题What is the difference between thE.remove and thE.purge action with the dpkg command？（）A -remove removes the program， -purge also removes the config filesB -remove only removes the program， -purge only removes the config filesC -remove removes a pac...
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问题：单选题Using vi， you want to save changes to the file myfile with ：w!， but vi complains it cannot write to the file. Therefore， you want to check the write permissions on the file. To do this without leaving vi， you type：（）A ：!ls-I myfileB ：/ls-l myfileC e...
问题：单选题Which system administration command you can use to update Id.so.cache after the installation of new shared libraries？（）A IdconfigB IddC libpathD newlibs...
问题：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...
问题：单选题What command will print a list of usernames （first column） and their corresponding user id （uid， third column） from /etc/passwd？（）A cut -d： -f 1，3 /etc/passwdB chop -c 1，3 /etc/passwdC tac 1-3/etc/passwdD fmt -u /etc/passwd...
问题：单选题The command echo $! will produce what output？（）A the process id of last background commandB the exit status of the last commandC the exit status of the last background commandD the process id of the current shellE the name of the command being exe...
问题：多选题What does the Filesystem Hierarchy Standard enable？ （）Asoftware to predict the location of installed files and directoriesBsoftware to predict the ownership and access rights to files and directoriesCusers to predict the location of installed files and...
问题：单选题Which of the following commands makes /bin/foo executable by everyone but writable only by its owner？（）A chmod 557 /bin/fooB chmod o+rwx.a+rx/bin/fooC chown 557 /bin/fooD chmod 755/bin/foo...
问题：单选题Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes. What command entered into a bash initialization file will have bash recognize vi keystrokes after login？（）A history-pviB alias emacs=viC HISTCM...
问题：填空题USB fax/modems that conform to this subclass of the Communication Device Class （CDC） vendor neutral standard are Linux compatible （answer is a 3 letter acronym）.（）...
问题：单选题To allow a regular user account to mount and unmount a filesystem （for instance， a cdrom or floppy）， which option need to be added to the corresponding line in /etc/fstab？（）A nouidchkB alluserC userD auto...
问题：填空题What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2？（）...
问题：填空题Which command （without options） would you use to display how much space is available on all mounted partitions？（）...
问题：单选题With Xorg 7.0， what is the name of the default font server？（）A xfservB xfsC fontsD xfsttE fserv...
问题：单选题Given the following output： prompt myapp [1]+ Stopped myapp prompt Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt？（）A bg myappB continue myapp...
