新建使用者
useradd -m newuser
passwd newuserpwd newuser
usermod -d newuserhome newuser
授權目錄給使用者
chown newuser:newuser /home/newuser
授權使用者組
chgrp -R newuser /path/to/directory
useradd -m newuser
passwd newuserpwd newuser
usermod -d newuserhome newuser
chown newuser:newuser /home/newuser
chgrp -R newuser /path/to/directory