问题:单选题You wish to kill a process with a PID of 123. Select the command which exiting.()A kill-1 123B kill-9 123C kill-15 123D kill-17 123...
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问题:单选题Which Debian package system command will list all partially installed packages and suggest how to get them correctly installed?()A dpkg-GB apt-get-uC dpkg-DhD dpkg-lE apt-get-y...
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:填空题Which program finds only files that are in your PATH?()...
问题:单选题You are looking for an executable file foo. Select the command that would search forfoo within directories set in the shell variable, PATH.()A locateB whichC findD queryE whereis...
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: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...
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: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: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).()...