fix link, add ref links

Author: sshanks-kx

docs/basics/cmdline.md

@@ -85,7 +85,7 @@ q)h"aa:10#aa"
 q)
 ```
 
-Use `\_` to check if client write-access is blocked:
+Use [`\_`](syscmds.md#_-hide-q-code) to check if client write-access is blocked:
 
 ```q
 ~/q$ q -b
@@ -184,7 +184,7 @@ Log updates to filesystem.
 -L
 ```
 
-As `-l`, but sync logging.
+As [`-l`](#-l-log-updates), but sync logging.
 
 :fontawesome-solid-graduation-cap:
 [Logging](../kb/logging.md)

docs/basics/memory-backed.md

@@ -14,7 +14,7 @@ Memory can be backed by a filesystem, allowing use of DAX-enabled filesystems (e
 
 :fontawesome-solid-book-open:
 Command-line options [`-m`](cmdline.md#-m-memory-domain),
-[`-w`](cmdline.md#-m-workspace),
+[`-w`](cmdline.md#-w-workspace),
 System command [`\w`](syscmds.md#w-workspace)
 <br>
 :fontawesome-solid-book:

docs/basics/syscmds.md

@@ -998,6 +998,9 @@ q)read0`:t1.q_          / file contents are scrambled
 "S\014%\210\0273\245"
 ```
 
+:fontawesome-solid-book-open:
+[Protecting proprietary code](../wp/permissions/index.md#protecting-proprietary-code)
+
 
 ## `\` (terminate)