Yet another shell (yash) is a POSIX-compliant command line shell, featuring more strict POSIX compliance than those of other shells, as well as powerful command line editing.
So far most of yash's features have been implemented. The author is currently writing auxiliary scripts to make command completion more usable.
Yet another shell, version 2.39.
This version includes many bug fixes. It also includes some backward-incompatible changes to improve POSIX-conformance:
Yet another shell バージョン 2.39
今回のバージョンでは多くのバグが修正されています。また POSIX により厳密に準拠するために互換性の無い変更が入っています。