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?（）
