單項(xiàng)選擇題

Which command will change the user webserver’s shell toksh93？（）

A.chshell -ksh93 webserver
B.chsh webserver /usr/bin/ksh93
C.chuser -a shell=/usr/bin/ksh93 webserver
D.setuid -a SHELL=/usr/bin/ksh93 -u webserver

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單項(xiàng)選擇題

Which command will set the core size file to unlimited for the user‘webapp’？（）

A.no -p 'core=-1' webapp
B.chuser 'core=-1' webapp
C.setsenv -attr 'core=unlimited' webapp
D.chsec -f '/etc/security/limits' 'core=-1' webapp

單項(xiàng)選擇題

Which environment variable must be changed in auser’s profile so that upon login，the command prompt identifies the server？（）

A.PMT
B.PS1
C.PRT
D.PT1