Update src/content/docs/workers/runtime-apis/nodejs/fs.mdx

Author: jasnell

src/content/docs/workers/runtime-apis/nodejs/fs.mdx

@@ -22,8 +22,9 @@ writeFileSync('/tmp/abc.txt', 'Hello, world!');
 
 The Workers Virtual File System (VFS) is a memory-based file system that allows
 you to read modules included in your Worker bundle as read-only files, access a
-temporary directory for writing temporary files, or access common character
-devices like `/dev/null`, `/dev/random`, `/dev/full`, and `/dev/zero`.
+directory for writing temporary files, or access common
+[character devices](https://linux-kernel-labs.github.io/refs/heads/master/labs/device_drivers.html) like
+`/dev/null`, `/dev/random`, `/dev/full`, and `/dev/zero`.
 
 The directory structure initially looks like: