mcsh

Mcsh is a command language interpreter that executes commands read from the standard input or from files.
Mcsh of this version does not support job control. As it is a personal program, there maybe some bugs or defects.
Because of unstable, msch does not suggest to use it as login shell. Every one can use it and modify it freely.
Mcsh supports pipelines, lists, redirections, compound commands, control constructs. Built-in commands including exit, chdir(cd),
read, set, unset, export.It supports local variables and environment variables, At the same time it also very reluctantly
support command substitution. Detailed information please see the man page of the program.