Vxworks Command Cheat Sheet May 2026

Here’s a detailed VxWorks Command Cheat Sheet, focused on the most useful shell and kernel commands for day-to-day debugging, system inspection, and task management.
VxWorks versions differ slightly (especially pre-6.x vs 6.x/7.x), but these commands work in most VxWorks shell (CMD mode) environments.

ping "", : Tests connectivity to a remote host. vxworks command cheat sheet

: Lists all hardware devices currently recognized by the system. lkup "string" Here’s a detailed VxWorks Command Cheat Sheet ,

Advanced Commands

1. WindML Commands

• windml_ls: List WindML files (e.g., windml_ls /)
• windml_cat: Display WindML file contents (e.g., windml_cat /test/file)

Redirecting Output: Use > filename to save command output to a file. windml_ls : List WindML files (e

Part 11: Pro Tips & Hidden Gems

1. Tab Completion: Works in most modern shells.
2. History: Use the up arrow or history command to recall.
3. Spawn a logger: sp taskSpawn("logger", 1, 0, 10000, logTask, "log.txt")
4. Watch variables: watchAdd &myVar (triggers breakpoints when changed).
5. Execute a script: < "myScript.cmd" – file containing shell commands.
6. Floating point caution: If your task uses FPU but you didn't use VX_FP_TASK, you will get weird crashes. Use ti to check.

| Command | Description | Use Case | | :--- | :--- | :--- | | i | 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 commands are case-sensitive.
• Many VxWorks commands have abbreviations or aliases (e.g., ps for processShow).
• Some commands require superuser privileges.