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Asystemadministratorwouldliketomodifythesystemdefaultusercharacteristicssothateachnewuserwillnowbeassigned(bydefault)thecshshellratherthanthekshshell.Whichofthefollowingactionsshouldbeperformed?()
A.Runthecommandchlogin-shell"csh"
B.Runthecommandmkuser-default"SHELL=csh"
C.Edit/etc/passwdandchangeall"ksh"entriesto"csh"
D.Modifythecontentsof/usr/lib/security/mkuser.defaultfile
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