linux adduser deluser用法
sudo adduser jack001
adding user `jack001` ...
adding group `jack001` ...
adding nw user `jack001` with group `jack001`
Creating home directory `/home/jack001`
copying files from `/etc/skel`
Enter new UNIX password:
Retype new UNIX password:
and then, the follow info can leave the blank.
when use the adduser, the default group is the new group that create with your user nam.
you can change the group by follow command
sudo adduser jack001 root(or other you used )
recommend group is root & sudo
when you want del the user, you can use deluser command.
sudo deluser jack001 -r
option r is ambiguous(remove-all-files, remove-home)