VxWorks Command Cheat Sheet
mem: Displays memory usage statistics, including free and used memory.malloc: Allocates memory from the heap.free: Releases memory back to the heap.memstat: Displays detailed memory statistics.
wdStart / wdCancel / wdShow — Watchdog timer utilities.
3. System Information
| Command | Description |
|---------|-------------|
| version | Show VxWorks version, build date, kernel type |
| show | List all system objects (tasks, semaphores, msgQs, etc.) |
| sysSuspend / sysResume | Halt / resume system (usually for debugger attach) |
| bootChange | Change boot parameters (IP, script, device) |
| devs | List all devices in I/O system |
| memShow | Show memory partition statistics |
| printErrno | Display description of last error number (errno) |
The VxWorks command-line interface (CLI) provides a powerful way to interact with the operating system, execute commands, and debug applications. The CLI is typically accessed through a console or terminal connection.
: Searches the system symbol table for functions or variables matching the string. printErrno(n)
sp [entryPt], [arg1], ...: Spawns a new task with default priority (100) and stack size (20000 bytes).
File System Commands
: Lists all hardware devices currently recognized by the system. lkup "string"