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Top Forums UNIX for Dummies Questions & Answers STTY Columns Setting Environment Variable? Post 302867563 by Corona688 on Thursday 24th of October 2013 11:36:37 AM
Old 10-24-2013
The stty command opens /dev/tty and alters its settings with a system call, it's not an environment variable any more than baud rate would be.

stty has absolutely no ability to modify your environment anyway. Like every process it gets its own environment when run, an independent copy of yours.

If you want this run whenever you login, add that line to your ~/.profile or ~/.bashrc or whatever equivalent file your shell uses -- what is your shell?
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pseudo(1)						      General Commands Manual							 pseudo(1)

NAME
pseudo - Starts a non-STREAMS pty interface for a STREAMS device SYNOPSIS
pseudo [-l] [-shell shell] OPTIONS
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. DESCRIPTION
The pseudo command provides an appropriate interface for STREAMS tty devices that are installed on systems configured to use the non- STREAMS pty driver. 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 shell. NOTES
The pseudo command is available only when one or more of the Tru64 UNIX optional subsets with worldwide support software are installed on your system. 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 command provides a STREAMS pty interface. SEE ALSO
Commands: stty(1) Interfaces: pty(7) pseudo(1)
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