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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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profile(4)						     Kernel Interfaces Manual							profile(4)

NAME
profile - set up user's environment at login time DESCRIPTION
If the file exists, it is executed by the shell for every user who logs in. The file should be set up to do only those things that are desirable for every user on the system, or to set reasonable defaults. If a user's login (home) directory contains a file named that file is executed (via the shell's before the session begins. files are useful for setting various environment parameters, setting terminal modes, or overriding some or all of the results of executing EXAMPLES
The following example is typical (except for the comments): # Make some environment variables global export MAIL PATH TERM # Set file creation mask umask 22 # Tell me when new mail comes in MAIL=/var/mail/myname # Add my /bin directory to the shell search sequence PATH=$PATH:$HOME/bin # Set terminal type echo "terminal: c" read TERM case $TERM in 300) stty cr2 nl0 tabs; tabs;; 300s) stty cr2 nl0 tabs; tabs;; 450) stty cr2 nl0 tabs; tabs;; hp) stty cr0 nl0 tabs; tabs;; 745|735) stty cr1 nl] -tabs; TERM=745;; 43) stty cr1 nl0 -tabs;; *) echo "$TERM unknown";; esac A more complete model can be found in FILES
SEE ALSO
env(1), login(1), mail(1), sh(1), stty(1), su(1), environ(5), term(5). profile(4)
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