1. NAME▲

ttys - serial terminal lines

2. DESCRIPTION ▲

ttyS[0-3] are character devices for the serial terminal lines.

They are typically created by:

mknod -m 660 /dev/ttyS0 c 4 64 # base address 0x03f8
mknod -m 660 /dev/ttyS1 c 4 65 # base address 0x02f8
mknod -m 660 /dev/ttyS2 c 4 66 # base address 0x03e8
mknod -m 660 /dev/ttyS3 c 4 67 # base address 0x02e8
chown root:tty /dev/ttyS[0-3]

3. FILES ▲

/dev/ttyS[0-3]

4. SEE ALSO ▲

R mknod (1),

R chown (1),

R getty (1),

R tty (4)