Process module:System -package:unix -package:base -package:process is:exact -package:streamly-process

module System.Win32.Process
Win32
A collection of FFI declarations for interfacing with Win32.
module System.IO.Streams.Process
io-streams
A module adapting the functions from System.Process to work with io-streams.
data Process stdin stdout stderr
typed-process System.Process.Typed
A running process. The three type parameters provide the type of the standard input, standard output, and standard error streams. To interact with a Process use the functions from the section Interact with a process.