.th MEM IV 8/24/73 .sh NAME mem \*- core memory .sh DESCRIPTION .it Mem is a special file that is an image of the core memory of the computer. It may be used, for example, to examine, and even to patch the system using the debugger. .s3 A memory address is an 18-bit quantity which is used directly as a UNIBUS address. References to non-existent locations cause errors to be returned. .s3 Examining and patching device registers is likely to lead to unexpected results when read-only or write-only bits are present. .sh FILES /dev/mem .sh BUGS There should be another .it mem file that looks at core using the system's address map.