Vxworks Command Cheat Sheet đź’Ż High Speed
Ultimate VxWorks Command Cheat Sheet: The Embedded Developer’s Guide
: Prints the percentage of CPU time consumed by each active task during the spy window.
Activate via shConfig "LINE_EDIT_MODE=emacs" for familiar GNU-style editing.
| Command | Description | |---------|-------------| | ls [“path”] | List directory contents | | cd “path” | Change current directory | | pwd | Print working directory | | cat “file” | Display file content | | cp <src> <dst> | Copy file | | rm “file” | Delete file | | mkdir “dir” | Create directory | | rmdir “dir” | Remove empty directory | | ioHelp | Show I/O system help (device drivers) |
: Always run help first to see what commands are available in your specific VxWorks build. vxworks command cheat sheet
semBCreate / semBDelete / semGive / semTake — Binary semaphore functions.
: Most commands accept either the task name (e.g., tNetTask ) or the hexadecimal task ID (e.g., 0x19c8f1 ).
These commands help you peek into the system's memory, state, and code.
Similar to UNIX, VxWorks supports file operations when a filesystem (e.g., dosFs , rt11Fs ) is mounted. semBCreate / semBDelete / semGive / semTake —
The VxWorks kernel shell gives you immense power, but with that power comes responsibility.
: Displays the commercial name of the targeted board or processor configuration.
sp (spawn helper), i (interrupt info), intShow, excShow — Interrupt and exception diagnostics.
iosDevShow — List registered I/O devices. Similar to UNIX, VxWorks supports file operations when
: Multiple arguments for functions or commands are separated by commas .
: Lists all registered I/O drivers and device endpoints present on the system (e.g., /null , /tyCo/0 , /flash ).
VxWorks relies on semaphores and message queues to coordinate resource sharing. Use these commands to inspect synchronization objects. Alternative (C-Shell) Description semShow(sem_id) semShow
: Displays the status and configuration of network interfaces. bootParamsShow : Displays the current boot line parameters.
