97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

單項選擇題

Which action changes the default editor for ALL users on the system from vi to edit of the following?()

A.Issue the command:  export EDITOR=/usr/bin/edit
B.Modify /.profile and change the EDITOR variable to /usr/bin/edit
C.Modify /etc/environment and add  EDITOR=/usr/bin/edit  export EDITOR
D.Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit

微信掃碼免費搜題