Scsh is a Unix shell embedded in Scheme. It provides full access to POSIX as well as extensions common to most Unix implementations. Scsh also features many abstractions to ease system programming: process abstraction, event-based interrupt handling, sophisticated I/O support and enables concurrent system programming.
Scsh 0.6.5 is a bug-fix release with some enhancements: Support for GNU Hurd, SRFI-42 and easier packaging.
Visit http://www.scsh.net/ for more information about scsh.