Vxworks Command Cheat Sheet Jun 2026

These commands are used for interacting with file systems, drivers, and device handles. : List all devices known to the target. pwd : Print working directory. cd "dir" : Change current directory. ls : List files in the current directory. iosDevShow : Show loaded I/O devices. iosDrvShow : Show I/O device driver table. iosFdShow : Show open File Descriptors. 5. Modules, Networking, and Shell Control

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

| Command | Description | |---------|-------------| | ifShow | Show network interfaces (IP, MAC, status) | | routeShow | Show routing table | | ping “host” [count] | ICMP echo | | inetStatShow | Show all network connections (TCP/UDP) | | arpShow | Show ARP cache | | netStat | Network statistics (depending on build) |

String arguments (like task names or paths) often need to be enclosed in double quotes (e.g., td "tNetTask" ). Commas: Arguments are separated by commas. Case Sensitivity: The shell is case-sensitive. Wildcards: lkup supports wildcards to search for symbols. vxworks command cheat sheet

| Command | Description | Example | |---|---|---| | ls ["path"] | Lists directory contents. | -> ls "/tffs0/" | | cd ["path"] | Changes current working directory. | -> cd "/ata0a/" | | pwd | Prints current working directory. | -> pwd | | cp [source] [dest] | Copies a file or directory. | -> cp "/rom/file.bin" "/ram0/" | | rm [filename] | Deletes a file. | -> rm "debug.log" | | cat [filename] | Displays file content to the console. | -> cat "/config/startup.txt" | | ll | Lists directory contents in long format. | -> ll | | tffsShow | Shows TFFS filesystem information. | -> tffsShow | | tffsDevFormat | Formats the TFFS device. | -> tffsDevFormat |

: Spawns a new task starting at the specified function with provided arguments. td "taskName" or taskID : Deletes a specific task. ts "taskName" or taskID : Suspends a task. tr "taskName" or taskID : Resumes a suspended task.

| Command | Description | Example | |---|---|---| | ld("filename.o") | Loads an object file into the kernel. | -> ld("/storage/driver.o") | | unld("moduleName") | Unloads a previously loaded module. | -> unld("driver") | These commands are used for interacting with file

: Lists the contents of the current or specified directory. pwd : Prints the current working directory path. cd "path" : Changes the current directory. reboot : Reboots the processor.

Whether you are using the traditional VxWorks 6.x C Shell or the modern VxWorks 7 Command-Line Interface (CLI), this comprehensive cheat sheet covers the essential commands needed to navigate, debug, and optimize your system. System Information & Status

– Sets the system clock rate (e.g., sysClkRateSet(100) ). cd "dir" : Change current directory

Here’s a detailed , 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.

VxWorks, the industry-leading real-time operating system (RTOS) from Wind River, is known for its high performance and reliability in embedded systems. Central to debugging and managing a running VxWorks target is the (Wind River Shell), a powerful CLI interface.

– Spawns a new task.

VxWorks supports DOSFS, HRFS, NFS, and raw devices.