创建用户wcg id为 2001
sudo dscl . -create /Users/wcg UniqueID 2001
查看 sudo dscl . -list /Users UniqueID
删除 sudo dscl . -delete /Users/wcg
创建组 wcg
sudo dscl . -create /Groups/wcg PrimaryGroupID 2001
查看 sudo dscl . -list /Groups PrimaryGroupID
删除 sudo dscl . -delete /Groups/wcg
将用户wcg添加到组wcg
sudo dscl . -append /Groups/wcg GroupMembership wcg
移除: sudo dscl . -delete /Groups/wcg GroupMembership wcg
查看所有组下拥有的用户
dscl . -list /groups GroupMembership
更改属主
sudo chown -R wcg:wcg /Users/erin/PhpProjects/yijinsuo-mount/yjstob