i : Prints a concise summary of all active tasks, including their TCB (Task Control Block) information.
: Delay . Delays the calling task for a specified number of system ticks. 2. Memory and System Debugging
i // See all tasks. Look for one with 'PEND' or 'READY' ti "myHighTask" // Inspect stack and PC taskSuspend "myHighTask" // Pause it. See if system recovers. taskResume "myHighTask" // Resume. taskPrioritySet "myHighTask", 150 // Bump it lower. vxworks command cheat sheet
Happy debugging. Keep your tasks running and your deadlines real-time.
: Terminates and removes the task from the system schedule. i : Prints a concise summary of all
VxWorks is a highly reliable, deterministic real-time operating system (RTOS) used extensively in aerospace, defense, medical devices, and industrial automation. Managing a VxWorks target requires a strong grasp of its kernel shell commands.
| Help Command | Function | |---|---| | help | Display a directory of available help categories and common commands | | dbgHelp | List debugging-related commands (breakpoints, single-stepping, stack backtrace) | | ioHelp | Show I/O and filesystem utility functions | | netHelp | Display network debugging commands | | lkup "keyword" | Search symbol table for commands matching a keyword (e.g., lkup "help" ) | | lkup "" | List all available symbols in the system | | h or h 0 | Show the last 20 shell commands executed | | shellHistory n | Set or display the number of commands to keep in history | See if system recovers
: cmd = C → C ommand mode; C = C ommand → C mode.
The Ultimate VxWorks Command Cheat Sheet and CLI Guide VxWorks is a highly reliable real-time operating system (RTOS) used in critical systems like aerospace, defense, and industrial automation. Navigating its command-line interface—whether using the legacy VxWorks shell ( vxFusion / target shell ) or the modern, Unix-like Wind River Shell ( cmd )—is essential for debugging, monitoring, and system configuration.