diff --git a/api/README.md b/api/README.md
index fb94ea50df..3ce81385a5 100644
--- a/api/README.md
+++ b/api/README.md
@@ -1213,7 +1213,22 @@ Unlinks (removes) file at `path`.
 | options.signal | AbortSignal? |  | true |  |
 | callback | function(Error?) |  | false |  |
 
-## [`watch(, options, callback)`](https://github.com/socketsupply/socket/blob/master/api/fs/index.js#L1262)
+## [`writeFileSync(path, data, options)`](https://github.com/socketsupply/socket/blob/master/api/fs/index.js#L1265)
+
+External docs: https://nodejs.org/api/fs.html#fswritefilesyncfile-data-options
+Writes data to a file synchronously.
+
+| Argument | Type | Default | Optional | Description |
+| :---     | :--- | :---:   | :---:    | :---        |
+| path | string \| Buffer \| URL \| number  |  | false | filename or file descriptor |
+| data | string \| Buffer \| TypedArray \| DataView \| object  |  | false |  |
+| options | object? |  | false |  |
+| options.encoding ? utf8 | string? |  | true |  |
+| options.mode ? 0o666 | string? |  | true |  |
+| options.flag ? w | string? |  | true |  |
+| options.signal | AbortSignal? |  | true |  |
+
+## [`watch(, options, callback)`](https://github.com/socketsupply/socket/blob/master/api/fs/index.js#L1300)
 
 Watch for changes at `path` calling `callback`
 
@@ -1594,7 +1609,7 @@ Watch for changes at `path` calling `callback`
 This is a `FunctionDeclaration` named `maybeMakeError` in `api/ipc.js`, it's exported but undocumented.
 
 
-## [`emit(name, value, target, options)`](https://github.com/socketsupply/socket/blob/master/api/ipc.js#L1135)
+## [`emit(name, value, target, options)`](https://github.com/socketsupply/socket/blob/master/api/ipc.js#L1141)
 
 Emit event to be dispatched on `window` object.
 
@@ -1605,7 +1620,7 @@ Emit event to be dispatched on `window` object.
 | target | EventTarget | window | true |  |
 | options | Object |  | true |  |
 
-## [`send(command, value, options)`](https://github.com/socketsupply/socket/blob/master/api/ipc.js#L1194)
+## [`send(command, value, options)`](https://github.com/socketsupply/socket/blob/master/api/ipc.js#L1200)
 
 Sends an async IPC command request with parameters.
 
@@ -2003,12 +2018,12 @@ Converts this `Path` instance to a string.
 This is a `ClassDeclaration` named ``ProcessEnvironmentEvent` (extends `Event`)` in `api/process.js`, it's exported but undocumented.
 
 
-## [env](https://github.com/socketsupply/socket/blob/master/api/process.js#L26)
+## [env](https://github.com/socketsupply/socket/blob/master/api/process.js#L29)
 
 This is a `VariableDeclaration` named `env` in `api/process.js`, it's exported but undocumented.
 
 
-## [`nextTick(callback)`](https://github.com/socketsupply/socket/blob/master/api/process.js#L170)
+## [`nextTick(callback)`](https://github.com/socketsupply/socket/blob/master/api/process.js#L190)
 
 Adds callback to the 'nextTick' queue.
 
@@ -2016,7 +2031,7 @@ Adds callback to the 'nextTick' queue.
 | :---     | :--- | :---:   | :---:    | :---        |
 | callback | Function |  | false |  |
 
-## [`hrtime(time)`](https://github.com/socketsupply/socket/blob/master/api/process.js#L201)
+## [`hrtime(time)`](https://github.com/socketsupply/socket/blob/master/api/process.js#L221)
 
 Computed high resolution time as a `BigInt`.
 
@@ -2028,7 +2043,7 @@ Computed high resolution time as a `BigInt`.
 | :---         | :--- | :---        |
 | Not specified | bigint |  |
 
-## [`exit(code)`](https://github.com/socketsupply/socket/blob/master/api/process.js#L227)
+## [`exit(code)`](https://github.com/socketsupply/socket/blob/master/api/process.js#L247)
 
 
 
@@ -2036,7 +2051,7 @@ Computed high resolution time as a `BigInt`.
 | :---     | :--- | :---:   | :---:    | :---        |
 | code | number | 0 | true | The exit code. Default: 0. |
 
-## [`memoryUsage()`](https://github.com/socketsupply/socket/blob/master/api/process.js#L239)
+## [`memoryUsage()`](https://github.com/socketsupply/socket/blob/master/api/process.js#L259)
 
 Returns an object describing the memory usage of the Node.js process measured in bytes.
 
diff --git a/api/index.d.ts b/api/index.d.ts
index 77456b16c7..0b435b45a8 100644
--- a/api/index.d.ts
+++ b/api/index.d.ts
@@ -1687,6 +1687,11 @@ declare module "socket:path/well-known" {
      * @type {?string}
      */
     export const LOG: string | null;
+    /**
+     * Well known path to the application's "tmp" folder.
+     * @type {?string}
+     */
+    export const TMP: string | null;
     /**
      * Well known path to the application's "home" folder.
      * This may be the user's HOME directory or the application container sandbox.
@@ -1705,6 +1710,7 @@ declare module "socket:path/well-known" {
         export { HOME };
         export { DATA };
         export { LOG };
+        export { TMP };
     }
     export default _default;
 }
@@ -2769,9 +2775,10 @@ declare module "socket:path/win32" {
     import { HOME } from "socket:path/well-known";
     import { DATA } from "socket:path/well-known";
     import { LOG } from "socket:path/well-known";
+    import { TMP } from "socket:path/well-known";
     import * as exports from "socket:path/win32";
     
-    export { mounts, posix, Path, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG };
+    export { mounts, posix, Path, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG, TMP };
 }
 
 declare module "socket:path/posix" {
@@ -2863,9 +2870,10 @@ declare module "socket:path/posix" {
     import { HOME } from "socket:path/well-known";
     import { DATA } from "socket:path/well-known";
     import { LOG } from "socket:path/well-known";
+    import { TMP } from "socket:path/well-known";
     import * as exports from "socket:path/posix";
     
-    export { mounts, win32, Path, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG };
+    export { mounts, win32, Path, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG, TMP };
 }
 
 declare module "socket:path/index" {
@@ -2885,9 +2893,10 @@ declare module "socket:path/index" {
     import { HOME } from "socket:path/well-known";
     import { DATA } from "socket:path/well-known";
     import { LOG } from "socket:path/well-known";
+    import { TMP } from "socket:path/well-known";
     import * as exports from "socket:path/index";
     
-    export { mounts, posix, win32, Path, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG };
+    export { mounts, posix, win32, Path, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG, TMP };
 }
 
 declare module "socket:path" {
@@ -2921,7 +2930,8 @@ declare module "socket:path" {
     import { HOME } from "socket:path/index";
     import { DATA } from "socket:path/index";
     import { LOG } from "socket:path/index";
-    export { Path, posix, win32, mounts, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG };
+    import { TMP } from "socket:path/index";
+    export { Path, posix, win32, mounts, DOWNLOADS, DOCUMENTS, RESOURCES, PICTURES, DESKTOP, VIDEOS, CONFIG, MUSIC, HOME, DATA, LOG, TMP };
 }
 
 declare module "socket:fs/stream" {
@@ -4462,6 +4472,18 @@ declare module "socket:fs/index" {
      * @param {function(Error?)} callback
      */
     export function writeFile(path: string | Buffer | URL | number, data: string | Buffer | TypedArray | DataView | object, options: object | null, callback: (arg0: Error | null) => any): void;
+    /**
+     * Writes data to a file synchronously.
+     * @param {string | Buffer | URL | number } path - filename or file descriptor
+     * @param {string | Buffer | TypedArray | DataView | object } data
+     * @param {object?} options
+     * @param {string?} [options.encoding ? 'utf8']
+     * @param {string?} [options.mode ? 0o666]
+     * @param {string?} [options.flag ? 'w']
+     * @param {AbortSignal?} [options.signal]
+     * @see {@link https://nodejs.org/api/fs.html#fswritefilesyncfile-data-options}
+     */
+    export function writeFileSync(path: string | Buffer | URL | number, data: string | Buffer | TypedArray | DataView | object, options: object | null): void;
     /**
      * Watch for changes at `path` calling `callback`
      * @param {string}
@@ -4620,7 +4642,7 @@ declare module "socket:ipc" {
      * @return {Result}
      * @ignore
      */
-    export function sendSync(command: string, value?: any | null, options?: object | null): Result;
+    export function sendSync(command: string, value?: any | null, options?: object | null, buffer: any): Result;
     /**
      * Emit event to be dispatched on `window` object.
      * @param {string} name