Vxworks Command Cheat Sheet -

Description: Outlines the number of messages queued up, maximum message sizes, and tasks waiting to send or receive data. Essential Shell Shortcuts and Tips

: Fills a block of memory with a specific byte or word value.

TFFS (True Flash File System) is a common filesystem for NOR flash devices. Commands like tffsShow help verify whether the flash device is recognized, while tffsDevFormat is typically used on unformatted new media.

d , – Dumps memory content starting at the specified address in hex and ASCII format.

tt [taskName|Id] : Shows a stack trace for the specified task. vxworks command cheat sheet

Type i to look for tasks sitting in a SUSPEND or PEND state abnormally. Note the hexadecimal Task ID (e.g., 0x3f9a12 ).

Here’s a covering the most commonly used shell and kernel commands (for VxWorks 6.x/7.x).

Uses standard C function call syntax, requiring parentheses and trailing semicolons for multiple arguments. Prompt: Typically ends with -> . Example: taskShow(0, 1); Modern Command Shell (Cmd)

VxWorks utilizes the Wind River Network Stack. Use these tools to verify connectivity and interface configurations. Network Status Description: Outlines the number of messages queued up,

taskPrioritySet , – Changes task priority dynamically (0 is highest, 255 is lowest). 3. System Information & Memory Diagnostic Tools

: Traces the call stack (Task Trace) of a specified task, displaying the sequence of function calls leading to its current state.

Displays MUX binding data mapping network drivers to network protocols. ping "host", count Target / cmd Shell

cmd – Switches the Kernel Shell from C-expression mode to command-line interpreter (CLI) mode. C – Switches the CLI mode back to C-expression mode. Commands like tffsShow help verify whether the flash

VxWorks is a highly reliable, deterministic real-time operating system (RTOS) used in critical systems like aerospace, defense, medical devices, and industrial automation. Navigating its C-shell (cmd) or Tornado/Workbench target shell requires familiarity with specific system commands.

When tracing exceptions or manual execution pathways, symbol manipulation commands allow you to locate functions in memory.

Uses a standard Unix/Linux command-line syntax without parentheses. Prompt: Typically ends with [vxWorks *]# . Example: i or task show