单项选择题
A.sendmail -bi B.refresh -s sendmail C.restart -a sendmail D./etc/sendmail.cf -stop /etc/sendmail.cf -start
WhichcommandrestartstheTCP/IPsubsystem？（）A.refresh -s i...
单项选择题Which command restarts the TCP/IP subsystem？（）
A.refresh -s inetd B.refresh -s tcpip C.refresh -g /etc/rc.tcpip D.refresh -g /etc/inetd.conf
Howwouldasystemadministratorreviewroot’scurrentcronjobs...
单项选择题How would a system administrator review root’s current cron jobs of the following？（）
A.crontab -l B.cron -l root C.lscron -l root D.cat /var/cron/crontabs/root
Whichcronentrywillrun/usr/local/bin/myscriptat0500every...
单项选择题Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following？（）
A.0 5 * * 6 /usr/local/bin/myscript B.0 5 6 * * /usr/local/bin/myscript C.6 * * 5 0 /usr/local/bin/myscript D.5 0 Sat * * /usr/local/bin/myscript
