1 10/17/84  release, rl
 2 
 3 Syntax as a command:  rl {-control_arg}
 4 
 5 
 6 Function:  releases the stack history that was automatically preserved
 7 after an unclaimed or quit signal; that is, the Multics stack is
 8 returned to a point immediately prior to the stack frame of the command
 9 that was being executed when the most recent quit or unclaimed signal
10 occurred.
11 
12 
13 Control arguments:
14 -all, -a
15    releases the stack history preserved (and not already released)
16    after all previous quit and/or unclaimed signals rather than after
17    only the most recent quit or unclaimed signal.