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