单项选择题
A.refresh -s inetd
B.refresh -s tcpip
C.refresh -g /etc/rc.tcpip
D.refresh -g /etc/inetd.conf
单项选择题 Howwouldasystemadministratorreviewroot’scurrentcronjobsofthefollowing？（）
单项选择题 Whichcronentrywillrun/usr/local/bin/myscriptat0500everySaturdayofthefollowing？（）
单项选择题 Asystemadministratorwantstorunascriptcalledmyscript，butdoesnotwanttoseetheerrorsthatmightbegeneratedbythescript.Howwouldthisbeaccomplished？（）