单项选择题
A.‘tty -l’ B.‘stty -a’ C.‘lstty -a’ D.‘terminfo -l’
Whichcommandwillchangetheuserwebserver’sshelltoksh93？（）...
单项选择题Which command will change the user webserver’s shell to ksh93？（）
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
Whichenvironmentvariablemustbechangedinauser’sprofileso...
单项选择题Which environment variable must be changed in a user’s profile so that upon login， the command prompt identifies the server？（）
A.PMT B.PS1 C.PRT D.PT1
Whichcommandwillsetthecoresizefiletounlimitedfortheuser...
单项选择题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
