单项选择题

An operator has been asked if a system was rebooted. Which of the following commands should be used to determine if a reboot has occurred?（）

A. The name?command.The ?name?command.
B. The ptime?command.The ?ptime?command.
C. The hutdown ast?command.The ?hutdown ?ast?command.
D. The ?etc/rc.shutdown?command.

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热门试题

单项选择题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

单项选择题An operator needs to change from the usr bin to the var spool directory. Which of the following commands will accomplish this?（）

A. cd /var/spool
B. lcd /var/spool
C. cd /usr/bin /var/spool
D. lcd /usr/bin /var/spool

单项选择题The printer associated with the hp5_queue is down for maintenance. Which of the following commands will move the remaining print jobs from hp5_queue to the hp7_queue?（）

A. export $LPDEST=hp7_queue
B. qmov -m hp7_queue -P hp5_queue
C. lpmov -s hp5_queue -d hp7_queue
D. redirect -q hp5_queue hp7_queue

单项选择题After performing a modification on the etc ssh sshd_config file the operator needs to reinitialize the secure shell daemon to enable the new settings. Which of the following is the correct way to achieve this?（）

A. Use refresh -s sshd
B. Use init.sshd /etc/rc.ssh
C. Use /usr/sbin/sshd -restart
D. Use stopsrc -s sshd and then startsrc -s sshd

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