@@ -0,0 +1,1 @@ 
+3505

@@ -1,5 +1,13 @@ 
 ## Changelog
 
+### v350-5 — 2026-08-03
+
+#### New Features
+
+- Implemented support for creating symlinks via file device.
+- Implemented support for synchronous command execution with optional output capture via file device.
+- Implemented new `.reserve` directive to reserve bytes.
+
 ### v330-0 — 2026-07-31
 
 #### Fixes

@@ -8,20 +8,21 @@ $0100 file.length STW
 ; Execute command
 file.op.exec file.operation STB
 ; Print captured output
-execution-label puts JSRw
+output-prefix puts JSRw
 output puts JSRw
 ; Print: Result: <code>\n
-result puts JSRw
+result-prefix puts JSRw
 file.result LDW putdw JSRw NL
 HLT
 
 .include "lib/putdw.xyw"
 .include "lib/puts.xyw"
 
-.label execution-label
+.label output
+.reserve $0100
+.label output-prefix
 .string "Output: "
-.label result
+.label result-prefix
 .string "Result: "
 .label cmd
-.string "uname -s"
-.label output+.string "uname -s"

@@ -38,7 +38,7 @@ "directives": {
             "patterns": [
                 {
                     "name": "keyword.control.directive.xyw",
-                    "match": "\\.(include|label|macro|string|byte)\\b"
+                    "match": "\\.(include|label|macro|string|byte|reserve)\\b"
                 }
             ]
         },

@@ -703,6 +703,30 @@ store_byte(0);
     return validate_single_directive_argument(ctx, r);
 }
 
+static int process_directive_reserve(xyw_context *ctx)
+{
+    xyw_token_terminator r = next_token(ctx);
+    if (r == TOKEN_END_INVALID)
+    {
+        return -1;
+    }
+    if (token_length == 0 || token[0] != '$')
+    {
+        token_error("Expected a hex number ($XX or $XXXX) after .reserve");
+        return -1;
+    }
+    if (process_number(ctx) != 0)
+    {
+        return -1;
+    }
+    XYW_DBG("Directive:\t.reserve %s [%u bytes]\n", token, token_value);
+    for (unsigned int i = 0; i < token_value; i++)
+    {
+        store_byte(0);
+    }
+    return validate_single_directive_argument(ctx, r);
+}
+
 static int process_directive_byte(xyw_context *ctx)
 {
     xyw_token_terminator r;
@@ -868,6 +892,10 @@ }
     else if (token_length == 5 && strcmpn(token, ".byte", 5) == 0)
     {
         r = process_directive_byte(ctx);
+    }
+    else if (token_length == 8 && strcmpn(token, ".reserve", 8) == 0)
+    {
+        r = process_directive_reserve(ctx);
     }
     else if (token_length == 6 && strcmpn(token, ".macro", 6) == 0)
     {