1 Es is an extensible shell. The language was derived from the Plan 9
2 shell, rc, and was influenced by functional programming languages,
3 such as Scheme, and the Tcl embeddable programming language. This
4 implementation is derived from Byron Rakitzis's public domain
7 Es is in the public domain. We hold no copyrights or patents on
8 the source code, and do not place any restrictions on its distribution.
9 We would appreciate it if any distributions do credit the authors.