单项选择题

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 kernel
C. You need to load the USB modules for your existing modular kernel.
D. USB support is not available in Linux.

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热门试题

单项选择题Whichofthefollowingcommandsmakes bin fooexecutablebyeveryonebutwritableonlybyitsowner？（）

A. chmod 557 /bin/foo
B. chmod o+rwx.a+rx/bin/foo
C. chown 557 /bin/foo
D. chmod 755/bin/foo

单项选择题YouranoutofspaceandaddedaeighthdisktoyourSCSI-1system.Whenyoutrytostart，thesystemnolongerboots.Whatismostlikelythecauseofthisproblem？（）

A. SCSI-1 supports only 8 devices including the adaptor.
B. SCSI-1 supports only 6 disks per adaptor.
C. There is a SCSI-ID conflict that causes that problem.
D. You forgot to set the SCSI-ID #8 for the new disk.

单项选择题Youhaverunoutofdiskspaceonapartition.Whichofthefollowingwouldbeaneasywaytomovedatatoanewpartitionwithoutreconfiguringthepathtothedatainexistingapplications？（）

A. Run ext2fs ACL.
B. Use a hard link.
C. Use a symbolic link.
D. Use the loopback device.
E. Create a block device offset.

单项选择题Whatcommandwillprintalistofusernames（firstcolumn）andtheircorrespondinguserid（uid，thirdcolumn）from etc passwd？（）

A. cut -d： -f 1，3 /etc/passwd
B. chop -c 1，3 /etc/passwd
C. tac 1-3/etc/passwd
D. fmt -u /etc/passwd

单项选择题Inxorg.conf，whichsectionisconcernedwithfonts？（）

A. the Fonts section
B. the Files section
C. the xfsCodes section
D. the Graphics section
E. the modeline section