I think this question was answered here a little while ago, but would someone please repeat? Is it possible on SUN-4 (SPARC) to read some machine-code into memory, and then branch to it (long after execl time)? Thanks, Dave Jones Megatest Corp. 880 Fox Lane San Jose, CA. 95131 (408) 437-9700 Ext 3227 UUCP: {sun,decwrl}!megatest!djones