26 Mac で UID を変更する

 dscl . list /Groups
 sudo dscl . create /Groups/lab00
 sudo dscl . create /Groups/lab00 name lab00
 sudo dscl . create /Groups/lab00 passwd "*"
 sudo dscl . create /Groups/lab00 gid 30000
 dscl . -read /Users/mk
 sudo dscl . -change /Users/mk UniqueID 501 30000
 sudo chown -R mk:lab00 /Users/mk
 id mk