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KSH-93 is the most recent version of the KornShell Language described
in "The KornShell Command and Programming Language," by Morris
Bolsky and David Korn of AT&T Bell Laboratories. The KornShell is
a shell programming language, which is upward compatible with "sh"
(the Bourne Shell), and is intended to conform to the IEEE P1003.2/ISO
9945.2 Shell and Utilities standard. KSH-93 provides an enhanced
programming environment in addition to the major command-entry
features of the BSD shell "csh". With KSH-93, medium-sized programming
tasks can be performed at shell-level without a significant loss
in performance. In addition, "sh" scripts can be run on KSH-93
without modification.
WWW: http://www.kornshell.com/
Known problem: Defining the LC_NUMERIC environment variable, or
any locale setting by which it is implied (LANG, LC_ALL), will cause
ksh93 to crash. LC_COLLATE, LC_CTYPE, LC_MESSAGES, LC_MONETARY,
and LC_TIME are safe.
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