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 ,
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
history command to recall.sp taskSpawn("logger", 1, 0, 10000, logTask, "log.txt")watchAdd &myVar (triggers breakpoints when changed).< "myScript.cmd" – file containing shell commands.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. |
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