Description

The SPAWN command creates a subprocess of your current process with the following attributes copied from the parent process:

All symbols except $RESTART, $SEVERITY, and $STATUS
Key definitions
The current keypad state
The current prompt string
All process logical names and logical name tables except those explicitly marked CONFINE or those created in executive or kernel mode
Default disk and directory
Current SET MESSAGE settings
Current process privileges
Control and verification states

Note that some attributes, such as the process's current command tables, are not copied.