A.Smallest partition 10% of all available processors， as small as 1% of all available processors may be transferred.
B.Smallest partition 10% of a processor， as small 1% of a processor may be transferred.
C.Smallest partition one processor， as small 1% of a processor may be transferred.
D.Smallest partition one core， as small 10% of a processor may be transferred.

A.Issue the command： export EDITOR=/usr/bin/edit edit each user .profile to change the EDITOR value to /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