Vxworks Command Cheat Sheet May 2026
VxWorks is a real-time operating system (RTOS) used in everything from Mars rovers to industrial controllers. Navigating the VxWorks shell (C-Shell or Kernel Shell) is essential for debugging and system management.
| Command | Description | |---------|-------------| | i | Show all tasks (ID, name, state, priority, stack used) | | ti <taskId> | Show detailed info about a specific task | | taskSpawn <name>, <prio>, <options>, <stackSize>, <entryFunc> | Create and start a new task | | taskDelete <taskId> | Delete a task | | taskSuspend <taskId> | Suspend a task | | taskResume <taskId> | Resume a suspended task | | taskPrioritySet <taskId>, <newPrio> | Change task priority | | taskLock / taskUnlock | Disable/enable preemption for current task | | taskRestart <taskId> | Restart a task | vxworks command cheat sheet
printErrno
: Decodes a numeric error code into a readable string. tt : Function call stack trace (Backtrace). 📂 File System and I/O Commands for navigating directories and managing files. ls " " : Lists files in a directory. cd " " : Changes the current working directory. pwd : Prints the current working directory. copy " ", " " : Copies a file. rm " " : Deletes a file. devs : Lists all mapped devices (e.g., /ata0 , /tyCo/0 ). iosShow : Displays the I/O system status and drivers. 🌐 Network Configuration Configure and troubleshoot network interfaces. VxWorks is a real-time operating system (RTOS) used
- Wind River VxWorks documentation: https://www.windriver.com/documentation/
- VxWorks user manual: https://www.windriver.com/manuals/vxworks/user_manual.pdf
- VxWorks command-line interface reference: https://www.windriver.com/manuals/vxworks/cli_reference.pdf
VxWorks Command Cheat Sheet
| Command | Description | |---------|-------------| | intShow | Show interrupt vector usage (counts per vector) | | intConnect <vector>, <isr>, <arg> | Connect ISR to vector (shell use limited) | | excShow | Show exception handling vectors | | excHookAdd <func> | Add exception handler | Wind River VxWorks documentation: https://www
sp [entryPt, args] : Spawns a new task with default parameters at a specified entry point. sps [entryPt, args] : Spawns a task in a suspended state. td [taskName|Id] : Deletes a specified task. ts [taskName|Id] : Suspends a running task. tr [taskName|Id] : Resumes a task that has been suspended.