10-17-2011
Does DOS has a terminal or pseudo terminal?
> I am wondering if the DOS console works like the unix terminal?
The answer is yes & no.
DOS is an operating system, which use text base console.
Plus, it is a single user OS.
Unix terminal is a view to the Unix Operating system.
Whic is a multi-user OS
Is this the answer which you are looking ?!?
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LEARN ABOUT OPENSOLARIS
ttymux
ttymux(7D) Devices ttymux(7D)
NAME
ttymux - Serial I/O multiplexing STREAMS device driver
SYNOPSIS
multiplexer@0,0:input
multiplexer@0,0:output
DESCRIPTION
ttymux is a STREAMS multiplexer driver that connects multiple serial devices to the system console. Using this driver, input from multiple
physical devices can be multiplexed onto a single input stream for the system console. Output written to the console can be distributed to
multiple physical devices to provide redundant console interfaces to a system. Input and output can be multiplexed to or from a separate
list of devices.
ttymux is a STREAM's multiplexer for serial drivers (such as se(7D)) that comply with the Solaris terminal subsystem interface.
Currently, multiplexer interfaces are provided for system console I/O only and not for general serial I/O multiplexing. Multiplexer inter-
faces are currently not available for all platforms. Please see NOTES.
FILES
/kernel/drv/sparcv9/ttymux 64- bit ELF kernel module
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Architecture |SPARC (NetraCT series only) |
+-----------------------------+-----------------------------+
SEE ALSO
se(7D), termio(7I)
Writing Device Drivers
NOTES
Successful loading of this driver and its services depends on the EEPROM or NVRAM settings in effect at the most recent system reboot.
Without the platform firmware support, this feature cannot be enabled. Currently, this support is provided only on a NetraCT product fam-
ily.
Use caution when enabling this feature to perform console input multiplexing, particularly during super-user login. Because no security
measures are enabled when the driver is in operation, you must clearly understand the security implications involved in using this feature
and take appropriate measures to provide maximum protection to the host. This can include such steps as enabling input to physically
secured console devices only.
The ttymux driver does not handle the behavioral differences in control characteristics of different terminal types (for example, an ESCAPE
sequence.) As a result, multiple terminal types are not supported simultaneously. Please refer to the platform user guide for more informa-
tion.
SunOS 5.11 20 Jul 2001 ttymux(7D)