From 2aa197b0ea72be18af11bfb0df9ab3e4f6e720fd Mon Sep 17 00:00:00 2001
From: Corey Farrell <git@cfware.com>
Date: Thu, 3 Jan 2019 19:26:10 -0500
Subject: [PATCH] doc: fs.mkdir('/') throws EPERM on Windows

Fixes: https://github.com/nodejs/node/issues/25110

PR-URL: https://github.com/nodejs/node/pull/25340
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ben Coe <bencoe@gmail.com>
---
 doc/api/fs.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/api/fs.md b/doc/api/fs.md
index 1ab47d17602e00..5535b66c5c6456 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -2212,6 +2212,15 @@ fs.mkdir('/tmp/a/apple', { recursive: true }, (err) => {
 });
 ```
 
+On Windows, using `fs.mkdir()` on the root directory even with recursion will
+result in an error:
+
+```js
+fs.mkdir('/', { recursive: true }, (err) => {
+  // => [Error: EPERM: operation not permitted, mkdir 'C:\']
+});
+```
+
 See also: mkdir(2).
 
 ## fs.mkdirSync(path[, options])