Process module:System -package:unix is:exact -package:typed-process -package:io-streams is:module

Operations for creating and interacting with sub-processes.
A collection of FFI declarations for interfacing with Win32.
Use OS processes just like native Haskell functions - to generate, transform or consume streams. See Streamly.System.Command module for a higher level wrapper over this module. See also: Streamly.Internal.System.Process for unreleased functions.