To create a new user (replace username): ; echo 'newuser username' >> /srv/cwfs.cmd To put username in group sys: ; echo 'newuser sys +username' >> /srv/cwfs.cmd To put username in group adm: ; echo 'newuser adm +username' >> /srv/cwfs.cmd If you want to support email, make sure to add the users to upas group: ; echo 'newuser upas +username' >> /srv/cwfs.cmd Or for interactive usage: ; con -Cl /srv/cwfs.cmd newuser username To put username in groups sys and adm: newuser sys +username newuser adm +username newuser upas +username Type ctrl+ to escape, then quit. Verify the new user was created: ; grep username /adm/users After creating the user, you will want to set the new user's password: ; auth/keyfs ; auth/changeuser username To change the default user on bootup: ; 9fs 9fat ; echo 'user='^username^' ' >> /n/9fat/plan9.ini After logging in to the new user: ; /sys/lib/newuser To allow the user to send email, make sure to create the corresponding mailbox: ; auth/login username ; upas/nedmail -c