This is a summary of the trace commands. For detailed a detailed explaination type "explain trace <command>" where <command> is as given below.
abort terminate execution via drl abort allo allocate patch space from core hole at establish an action breakpoint b establish breakpoint bc call B function from trace package c enable control via break key callss call subsystem d delete breakpoint dec decimal-to-octal conversion display display trace-related information done leave trace e execute instructions ef execute force eval evaluate a symbolic expression f find data pattern in memory i initialize queues/frequencies l locate symdef la locate address between symdefs lp locate PL/1 entries m modify register n disengage trace mechanism nopause discontinue pause mode notrace disengage trace mechanism (same as n) o establish offset oct octal-to-decimal conversion p patch memory pause pause before executing traced instruction q queue trace output r run restore restore program state from last save s snap memory save save current program state sh show breakpoint locations soff turn off symbol table son turn on symbol table t engage trace mechanism tc trace and continue terminate terminate execution via drl return trace engage trace mechanism (same as t) use user specified tracing x display registers
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