CLISP is a portable ANSI Common Lisp implementation and development environment. CLISP for Linux is a general-purpose programming language and an AI language. CLISP programs are easy to test, easy to maintain, and portable across hardware OS platforms and implementations. CLISP provides clear syntax, carefully designed semantics, several data types like numbers, strings, arrays, lists, characters, symbols, structures, streams etc, packaging of programs into modules, an object system, generic functions with powerful method combination, and macros every programmer can make his own language extensions.
It’s easy to think that all you need to carry with you these days is a smartphone and you’re ready for anything. But some extended periods away from my desk have discovered four things that are ‘must-haves’ for the traveller.