This will ensure that the stream content is returned as process's return. If both stdout and stderr are using this mode, their output will be correctly merged.
Alternative to CAPTURE allowing to consume without delay a stream without storing it in memory, and so not returned at the end of process invocation.
Redirect the stream to this process equivalent one. In other words, it will print to the terminal if this process is also doing so.
Ignores the related stream.
Override or append to a file.