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IBM认证考试IBM(000-103)单项选择题每日一练(2018.10.30)

  • 单项选择题

    Which of the following commands will display what space is used in /tmp filesystem?()

    A. df -Ik /tmp
    B. df -fk /tmp
    C. df -Uk /tmp
    D. df -Fk /tmp

  • 单项选择题

    Which command enables a user to exit the vi editor, overwriting the existing file without prompting for confirmation?()

    A. :w
    B. :qw
    C. :x!
    D. :we!

  • 单项选择题

    An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?()

    A. yy E 3p
    B. 3yy G p
    C. 3yy :e 5pp
    D. yy :g 3p

  • 单项选择题

    Which of the following will cancel only job 123 from printer lp01?()

    A. lpstat -d 123 lp01
    B. enq -d 123 -p lp01
    C. qcan -x 123 -P lp01
    D. lpcan -j 123 -p lp01

  • 单项选择题

    An operator wants to view all the scheduled jobs on a system. Which of the following locations would house scheduled jobs?()

    A. /etc/var/spool
    B. /var/spool/cron
    C. /var/sched/jobs
    D. /usr/sched/crontabs

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