更多“ZXAN dir的作用()? ”相关问题
  • 第1题:

    Howcanadirectorynamed/dir1beexcludedduringarestoreoffilesbackedupbynamewiththebackupcommand?()

    A.Byusingtherestore-xoptionfollowedby/dir1

    B.Byaddinganentryinthe/etc/restore.excludefile

    C.Byusingtherestore-ioptiontoenterinteractivemodeandexecutingthecommand:delete /dir1

    D.Byusingtherestore-ioptionwhenrunningrestoretospecifyatextfilecontaining’/dir1’asoneofthelinesinit.


    参考答案:C

  • 第2题:

    What command would an operator use to move a file from the /old_dir directory to the /new_dir directory without changing the file name?()

    A. mv /old_dir/file /new_dir

    B. mv -p /old_dir/file /new_dir

    C. mv -k /old_dir/file /new_dir

    D. mv /old_dir/file /new_dir/new_file


    参考答案:A

  • 第3题:

    下面哪条命令可把./dir1目录(包括它的所有子目录)内容复制到./dir2中?()

    A. cp -i ./dir1/* ./dir2

    B. cp -P ./dir1/* ./dir2

    C. cp -d ./dir1/* ./dir2

    D. cp -r ./dir1/* ./dir2


    参考答案D

  • 第4题:

    An operator needs to create /dir1/dir2/dir3. The /dir1 does not exist. What command can be used to create dir2 and dir3?()

    A. mkdir /dir1/dir2/dir3

    B. mkdir -R dir1/dir2/dir3

    C. mkdir -p /dir1/dir2/dir3

    D. mkdir -r /dir1/dir2/dir3


    参考答案:C

  • 第5题:

    Which of the following will rename dir1 as dir2?()

    A. mv dir1 dir2

    B. ren dir1 dir2

    C. cp -R dir1 dir2

    D. mv -R dir1 dir2


    参考答案:A

  • 第6题:

    配置UART1优先作为串口需要配置()

    A.P2DIR &= ~0x40;

    B.P2DIR &= 0x7F; P2DIR |= 0x40;

    C.P2DIR |= 0x40;

    D.P2DIR &= 0x3F; P2DIR |= 0x40;


    REN