Vxworks Command Cheat Sheet Patched Now

If commands are missing from your help output, they may not have been compiled into your image. Confirm the missing range, return to your project configuration to include the required components, and rebuild.

m , – Modifies memory content interactively at the specified address (width: 1 = byte, 2 = half-word, 4 = word).

: Dumps memory contents starting at a specific memory address.

| Command | Description | Use Case | | :--- | :--- | :--- | | | Lists all tasks (ID, Name, State, Priority, PC). | "Why is my system hanging?" | | ti "taskName" | Displays detailed Task Information (stack usage, registers). | Stack overflow debugging. | | version | Shows VxWorks version and build date. | "Are we on 6.9 or 7.0?" | | show | Generic show command (use with specific objects). | See below. | | devs | Lists all device drivers installed. | "Is my serial port registered?" | | memShow | Shows current heap memory usage (free/allocated). | Memory leak detection. | | sysSuspend | Suspends the system (debug only). | Forcing a crash dump. | | sysResume | Resumes after sysSuspend . | Recovery. | vxworks command cheat sheet

: Display memory with ASCII mapping side-by-side.

If you need to dive deeper into troubleshooting, please let me know:

Navigating the shell (WindSh) can feel like a throwback to pure C programming. Unlike standard Linux shells, VxWorks often expects function-call syntax: arguments must be comma-separated and strings quoted . Task Management i : Displays a summary of all active tasks in the system. If commands are missing from your help output,

| Category | Key Commands | | --- | --- | | | i (info), sp (spawn), ts / tr (suspend/resume), td (delete) | | Debugging | lkup (symbol lookup), d (display memory), l (disassemble), memShow | | Networking | ifconfig , ping , hostAdd , routeAdd , netShow | | File System | ls , cd , pwd , cat , cp , mv , rm , chmod | | Shell | help , h (history), cmd (switch to command interpreter), C (switch to C interpreter) |

semBCreate / semBDelete / semGive / semTake — Binary semaphore functions.

Commands used to control and monitor individual tasks within the system. : Dumps memory contents starting at a specific

| Command | Description | |---------|-------------| | version | Show VxWorks version | | sysSuspend | Halt system (debug mode) | | sysResume | Resume from sysSuspend | | reboot | Reboot the system | | printError <errno> | Print description of error number | | errno | Show last error number of current task | | show <kernelObject> | Generic object info (e.g., show tasks , show semaphores ) | | checkStack | Check stack usage of all tasks | | spy | Monitor task CPU usage (requires spyLib ) |

: If a command doesn't work, it may not be compiled into your image. Use lkup first to verify if a command exists before executing it.

VxWorks relies on the Wind River Network Stack. Managing network interfaces and checking packet routing tables is achieved via specialized commands. Network Diagnostics

Interprets standard C expressions and function calls directly.

: Most commands require string arguments (like task names or file paths) to be enclosed in double quotes (e.g., ti "tRoot" ).