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...
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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 information is displayed by the command cat/proc/dma？（）A whether DMA is enabledB which DMA channels are in useC which DMA mode is in useD general information about DMA on the machine...
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...
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：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You ran out of space and added a eighth disk to your SCSI-1 system. When you try to start， the system no longer boots. What is most likely the cause of this problem？（）A SCSI-1 supports only 8 devices including the adaptor.B SCSI-1 supports only 6 dis...
问题：填空题Which program finds only files that are in your PATH？（）...
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...
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：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：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Which of the following commands will change all CR-LF pairs in an imported text file， userlist.txt， to Linux standard LF characters and store it as newlist.txt？（）A tr ’/r/n’ userlist.txt newlist.txtB tr -c ’/n/r’ newlist.txt userlist.txtC tr -...
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...
