Vxworks Command Cheat Sheet _verified_
| Command | Description | |---------|-------------| | i | Display summary of all tasks (ID, name, state, priority, stack) | | ti <taskId> | Show detailed task info (registers, stack usage, delays) | | tt <taskId> | Display task’s stack trace (call history) | | sp <function, args> | Spawn a task from shell (e.g., sp myRoutine, 5 ) | | taskSpawn <name>, <priority>, <options>, <stackSize>, <entryPoint> | Create a new task | | taskDelete <taskId> | Terminate a task | | taskSuspend <taskId> | Suspend execution | | taskResume <taskId> | Resume a suspended task | | taskPrioritySet <taskId>, <priority> | Change task priority | | taskLock / taskUnlock | Disable / re-enable task rescheduling (shell only) | | taskSafe / taskUnsafe | Prevent deletion of current task (critical sections) |
Sends ICMP echo requests to verify remote host connectivity. routeShow; route show Displays the current IP routing table configuration. Show Socket Info inetstatShow; inetstat show
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
: Provides a summary of system memory usage, including free and allocated blocks. vxworks command cheat sheet
If you need to dive deeper into system analysis, let me know:
Activate via shConfig "LINE_EDIT_MODE=emacs" for familiar GNU-style editing.
| Command | Description | Example | |---|---|---| | ifShow or ifShow "ifname" | Display network interface configuration and status | ifShow "gem0" | | ifconfig | Configure network interfaces | ifconfig("gem0 192.168.1.100") | | ping "IP" | Test connectivity to remote host | ping "192.168.1.1" | | inetstatShow | Display all Internet protocol sockets | inetstatShow | | routeShow | Display IP routing table summary | routeShow | | mRouteShow | Display verbose IP routing information | mRouteShow | | routeAdd "dest","gate" | Add a route to the routing table | routeAdd "10.0.0.0","192.168.1.1" | | routeDelete "dest","gate" | Delete a route from the routing table | routeDelete "10.0.0.0","192.168.1.1" | | arpShow | Display known ARP entries | arpShow | | hostAdd "name", "IP" | Add hostname resolution entry | hostAdd "server","10.0.0.1" | | Command | Description | |---------|-------------| | i
show – Generic show command; when used with memory partition IDs, prints detailed block layouts. System Statistics
semShow , – Displays information about a semaphore, including its type (binary, counting, mutual exclusion) and the queue of tasks blocked on it. Message Queues
For any embedded engineer, a VxWorks cheat sheet is a mandatory tool. While it doesn't replace the deep-dive manuals, its ability to speed up routine task monitoring and memory inspection is unmatched. If you are using an AI-generated version, ensure it follows a structured guide to remain concise and readable. : List all devices known to the target
Lists active network sockets, local/remote ports, and states. arpShow; arp show Displays the current address resolution protocol mappings. Filesystem and Path Navigation
Jump to How to Get Help & Explore Commands
The VxWorks kernel shell is often disabled by default to keep the image size minimal; you must enable the BUNDLE_STANDALONE_SHELL component. Once active, you can customize the editing environment.
This cheat sheet covers the most essential commands for the VxWorks C-Shell (the default shell for older versions like 5.x and 6.x). ⚠️ Shell Basics : Must be separated by : Must be enclosed in double quotes Hex Values : Prefixed with 🏃 Task Management Description Display a summary of all active tasks Spawn (start) a new task sp myFunc, arg1, arg2 Spawn a task in a sps myFunc a task by ID or name td 0x12345 a running task ts "tMyTask" a suspended task tr 0x12345 Task Information (detailed status) ti "tMyTask" Task Trace (shows the stack trace) tt 0x12345 🔍 System & Debugging Description Search the system symbol table lkup "myGlobal" checkStack Show stack usage for a specific task checkStack "tShell" printErrno Decode the last error number into English printErrno 0x11 List all recognized hardware devices Display VxWorks version and build info Display command history 💾 Memory Operations Description memory (hex dump) d 0x800000, 128 memory (interactive prompt) m 0x800000 Fill a block of memory with a value fill 0x8000, 100, 0 adrSpaceShow Show memory map / address space adrSpaceShow 📂 File System & Navigation Description List files in current directory Long list (shows sizes/dates) Change directory cd "/ata0/" Print working directory Copy a file copy "old.txt", "new.txt" ⚙️ Kernel & Booting Description Restart the system bootChange Edit boot parameters (IP, file paths) bootChange Load a module into memory < myModule.o Unload a module unld "myModule.o" 💡 Pro Tips : Most commands accept either the (in quotes) or the . Using the ID is often faster. Control Keys to force a reboot if the shell is unresponsive. Redirection
: Shows a history of the last n commands entered in the shell. If n is 0, it displays the most recent 20 commands.