cicada
oksh
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cicada
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What is a good alternative to Zsh?
As for POSIX compliance, this is from their FAQ:
oksh
- Oasis – a small, statically-linked Linux system
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Faster Shell Startup with Shell Switching
David Korn's ksh93 was passed on to a new set of developers, who attempted to release a new version; AT&T rolled back these changes due to performance problems which raised questions of support status. It does appear that ksh93 development has resumed, and a new version was released late last year.
https://github.com/ksh93/ksh/releases
The independent pdksh spawned mksh, which is the default shell used in Android (as it has a BSD license); mksh appears to be very much active.
http://www.mirbsd.org/mksh.htm [https site has cert problems]
OpenBSD also forked oksh from pdksh. This is certainly well-maintained.
https://github.com/ibara/oksh
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CVE-2022-45063: Xterm
I don't know if this is helpful or just annoying unsolicited "advice"
Anyway, for those of us who like openbsd ksh(all two of us) which is derived from pdksh. there is the project oksh.
https://github.com/ibara/oksh
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What is a good alternative to Zsh?
I like oksh: https://github.com/ibara/oksh
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OpenBSD 7.0 Released
...and that ksh descended from pdksh, and is distributed as the oksh portable project here:
https://github.com/ibara/oksh
The MirBSD Korn Shell also descended from pdksh, and it can be found here:
http://www.mirbsd.org/mksh.htm
I don't know about the feature differences and code quality between these two; they both implement most of ksh88, and a small amount of ksh93.
I prefer mksh when I need something more than a POSIX shell.
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Which ksh is used in openbsd?
Brian Callahan publishes a portable version here: https://github.com/ibara/oksh
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What goes into porting a program/library?
Porting from OpenBSD, look for the portable versions and their compat layer. https://github.com/ibara/oksh/blob/master/portable.h
What are some alternatives?
ATS-Postiats - ATS2: Unleashing the Potentials of Types and Templates
loksh - A Linux port of OpenBSD's ksh
ksh - ksh 93u+m: KornShell lives! | Latest release: https://github.com/ksh93/ksh/releases
scriptisto - A language-agnostic "shebang interpreter" that enables you to write scripts in compiled languages.
InitWare - The InitWare Suite of Middleware allows you to manage services and system resources as logical entities called units. Its main component is a service management ("init") system.
daemonize-me - Rust library to ease the task of creating daemons
openbsd-src - jcs's openbsd hax
Agda - Agda is a dependently typed programming language / interactive theorem prover.
ast - AST - AT&T Software Technology
anders - 🧊 Модальний гомотопічний верифікатор математики
pomod - pomodoro daemon