单项选择题
A. mv dir1 dir2 B. ren dir1 dir2 C. cp -R dir1 dir2 D. mv -R dir1 dir2
An operator needs to change from the /usr/bin to the /v...
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
The printer associated with the hp5_queue is down for m...
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
After performing a modification on the /etc/ssh/sshd_co...
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
