On Tue, Jan 18, 2022 at 10:42:15AM +0300, Kihaguru Gathura wrote: > Hi > > Connecting a couple of modems but unable to make devices beyond cuaU9 > > root# sh /dev/MAKEDEV ttyU10 > ttyU10: unknown device > root# sh /dev/MAKEDEV ttyU11 > ttyU11: unknown device > root# sh /dev/MAKEDEV ttyU12 > ttyU12: unknown device > > The devices show up as UMSM 10 UCOM 10 etcetera up to 27 at console > > What is the way to create devices with unit numbers beyond 9? > > Regards, > > Kihaguru.
See the MAKEDEV script: ttyU[0-9a-zA-Z] So after 9 comes a -Otto