doc: document the fds behind stdin/out/err

Its common knowledge on unix, but node documentation depends on knowing this, as it exposes both streams named after stdio, and the fd numbers, so make this explicit. Fixes: #8624 PR-URL: #8454 Reviewed-by: Trevor Norris <[email protected]>
nodejs · Nov 19, 2014 · 13a992b · 13a992b
1 parent 5ff5945
commit 13a992b
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/doc/api/process.markdown b/doc/api/process.markdown
@@ -116,7 +116,7 @@ emulation with `process.kill()`, and `child_process.kill()`:
 
 ## process.stdout
 
-A `Writable Stream` to `stdout`.
+A `Writable Stream` to `stdout` (on fd `1`).
 
 Example: the definition of `console.log`
 
@@ -150,7 +150,7 @@ See [the tty docs](tty.html#tty_tty) for more information.
 
 ## process.stderr
 
-A writable stream to stderr.
+A writable stream to stderr (on fd `2`).
 
 `process.stderr` and `process.stdout` are unlike other streams in Node in
 that writes to them are usually blocking.
@@ -164,7 +164,7 @@ that writes to them are usually blocking.
 
 ## process.stdin
 
-A `Readable Stream` for stdin. 
+A `Readable Stream` for stdin (on fd `0`).
 
 Example of opening standard input and listening for both events: