单项选择题
A. /etc/var/spool B. /var/spool/cron C. /var/sched/jobs D. /usr/sched/crontabs
An operator wants to move all files inside the director...
单项选择题An operator wants to move all files inside the directory /home/operator to the current directory. Which of the following commands will complete the task?（）
A. mv /home/operator . B. mv /home/operator/* . C. mv /home/operator ../.. D. mv /home/operator/all ../home/operator
Which of the following commands will list available pag...
单项选择题Which of the following commands will list available paging space on a system?（）
A. lsps B. lsps -a C. lsps -pg D. lsps ALL
Operator needs to remove all leading comments # from sh...
单项选择题Operator needs to remove all leading comments # from shell.script file. Which of the following vi sub-command can achieve this?（）
A. :r/^#//g B. :1,$ s/^#//g C. :sed s/^#//g D. :sub s/^#//g
