OptionalcolsPTY columns (default 80)
OptionalcwdWorking directory
OptionaldetachedDetached mode
OptionalenvEnvironment variables
OptionalgidGroup ID
OptionalinputData written to stdin then closed (spawnSync only)
OptionalipcEnable IPC channel
OptionalptyUse PTY mode (default false)
OptionalrowsPTY rows (default 24)
OptionalstderrStderr file descriptor or mode
OptionalstdinStdin file descriptor or mode
OptionalstdoutStdout file descriptor or mode
OptionaluidUser ID
Spawn options