Anadministratorneedstoaddthe／usr／vac／bindirectorytotheirPATHenvironmentvariableforthecurrentsession.Whichofthefollowingwillaccomplishthistask()A.path=$path：/usr/vac/bin；exportpathB.path.=/usr/vac/bin；export$pathC.Modifythe pathenvironmentvariablein/etc/pr

题目
Anadministratorneedstoaddthe／usr／vac／bindirectorytotheirPATHenvironmentvariableforthecurrentsession.Whichofthefollowingwillaccomplishthistask()

A.path=$path：/usr/vac/bin；exportpath

B.path.=/usr/vac/bin；export$path

C.Modifythe pathenvironmentvariablein/etc/profile

D.Modifythepathenvironmentvariablein/.profile

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更多“Anadministratorneedstoaddthe／usr／vac／bindirectorytotheirPATHenvironmentvariableforthecurrentsession.Whichofthefollowingwillaccomplishthistask() ”相关问题

  • 第1题：

    AnAIXsystemadministratorwantstobeabletomonitordiskusageandtobeabletocontrolhow muchdiskspacecanbeused.Whichcommandisruntoobtainthedesiredoutput?()

    A./usr/bin/filemon

    B./usr/bin/startsrc

    C./usr/sbin/acct/startup

    D./usr/bin/df


    参考答案：A

  • 第2题：

    A backup is taken using the following command:tar -cvf abcdef.tar /usr/local/include/tcpd.h The operator is in the directory /usr/local/restores and runs the following command: tar -xvf abcdef.tar.Where will the file be restored?（）

    A./usr/local/include/tcpd.h

    B./usr/local/restores/tcpd.h

    C./usr/local/restores/include/tcpd.h

    D./usr/local/restores/usr/local/include/tcpd.h


    参考答案：A

  • 第3题：

    在计算机A上,通过NFS把计算机B上的／usr／lib挂接到A的／usr／lib需要执行()。

    A.connect B：/usr/lib/usr/lib

    B.ln B：/usr/lib/usr/lib

    C.mount B：/usr/lib/usr/lib

    D.mount A：/usr/lib B：/usr/lib


    参考答案：C

  • 第4题：

    Whichofthefollowingcommandscanbeusedtocommitappliedfilesets?()

    A./usr/sbin/installp-C

    B./usr/sbin/inutoc-c

    C./usr/sbin/installp-c

    D./usr/sbin/lsresource-c


    参考答案：C

  • 第5题：

    WhichactionchangethedefaulteditorforALLusersonthesystemfromvitoedit()

    A.Issuethecommand：exportEDITOR=/usr/bin/editediteachuser.profiletochangetheEDITORvalueto/usr/bin/edit

    B.Modify/.profileandchangetheEDITORvariableto/usr/bin/edit

    C.Modify/etc/environmentandaddEDITOR=/usr/bin/editexportEDITOR

    D.Modify/etc/security/defaultsandchangetheEDITORvalueto/usr/bin/edit


    参考答案：C

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