当前分类： LX0-101
问题：单选题What is the output when the following shell script executes？（） cat；；foobar Hello foobar foobarA The contents of the file foobar.B HelloC No output but a file named foobar is created.D Hello foobarE Hello foobar foobar...
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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：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：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...
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：单选题You have run out of disk space on a partition. Which of the following would be an easy way to move data to a new partition without reconfiguring the path to the data in existing applications？（）A Run ext2fs ACL.B Use a hard link.C Use a symbolic link...
问题：单选题You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true？（）A You need to rebuild the kernel.B You need to upgrade the kernelC You need to load the USB modules for your existing modular ke...
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：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What application can be used in place of xhost？ Please enter only the name without path. Answer：（）...
问题：单选题In xorg.conf， which section is concerned with fonts？（）A the Fonts sectionB the Files sectionC the xfsCodes sectionD the Graphics sectionE the modeline section...
