pseudo - Starts a non-STREAMS pty interface for a STREAMS device
pseudo [-l] [-shell shell]
-l Starts a shell process as the login shell. By default, the command
starts this process as an interactive shell.
Specifies the shell to be started. By default, the command starts the
shell set by the SHELL environment variable.
The pseudo command provides an appropriate interface for STREAMS tty dev-
ices that are installed on systems configured to use the non-STREAMS pty
The pseudo command opens a pair of master and slave pty devices, and starts
a shell process. The command's options allow you to override the default
shell specification and to specify that the process be started as a login
The pseudo command is available only when one or more of the Tru64 UNIX
optional subsets with worldwide support software are installed on your sys-
In order for the pseudo command to provide a non-STREAMS pty interface for
STREAMS devices, the system must be configured to use the non-STREAMS pty
driver. If the system is configured to use the STREAMS pty driver, the com-
mand provides a STREAMS pty interface.