Launch descriptors
Operating system processes

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Words which launch processes can take either a command line string, a sequence of command line arguments, or a process.

Strings and string arrays are wrapped in a new empty process with the command slot set. This covers basic use-cases where no launch parameters need to be set.

A process instance can be created directly and passed to launching words for more control. It must be a fresh instance which has never been spawned before. To spawn a process several times from the same descriptor, clone the descriptor first.