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
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相关考题
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单项选择题
Howwouldasystemadministratorreviewroot’scurrentcronjobsofthefollowing？（）
A.crontab -l
B.cron -l root
C.lscron -l root
D.cat /var/cron/crontabs/root -
单项选择题
Whichcronentrywillrun/usr/local/bin/myscriptat0500everySaturdayofthefollowing？（）
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 -
单项选择题
Asystemadministratorwantstorunascriptcalledmyscript，butdoesnotwanttoseetheerrorsthatmightbegeneratedbythescript.Howwouldthisbeaccomplished？（）
A./usr/local/bin/myscript > /dev/null
B./usr/local/bin/myscript < /dev/null
C./usr/local/bin/myscript 2> /dev/null
D./usr/local/bin/myscript 1> /dev/null
