yash - 2.55-2 main

Yash is a command line shell that conforms to the POSIX.1 (IEEE Std
1003.1, 2008 Edition) standard for the most part. Actually, it is much
more POSIX-compliant than other shell like bash and zsh.
.
Yash also has its own features beyond POSIX, such as:
* global aliases
* random numbers
* socket redirections and other special redirections
* right prompt
* command completion