单选题Which action changes the default editor for ALL users on the system from vi to edit of the following？（）AIssue the command： export EDITOR=/usr/bin/editBModify /.profile and change the EDITOR variable to /usr/bin/editCModify /etc/environment and add EDITOR=/usr/bin/edit export EDITORDModify /etc/security/defaults and change the EDITOR value to /usr/bin/edit
单选题
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
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