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What is my unix shell version?

There's several ways to determine the ksh version.  All will print different results depending on the KSH you're running.  Here are the methods for finding the versions:

And here's the table how to do it:

Version
Commands
Output
KSH88 # set -o emacs
# CTRL-V
Version M-11/16/88f
KSH93[a-z] echo ${.sh.version} Version JM 93t+ 2010-06-21
KSH93[a-z] ksh –version version         sh (AT&T Research) 93t+ 2010-06-21
PD KSH # echo $KSH_VERSION

@(#)PD KSH v5.2.14 99/07/13.2

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