> you still can't trivially freeze a process, tweak a few values in its memory, and resume it as an integrated part of the operating system Can't you do this w

> you still can't trivially freeze a process, tweak a few values in its memory, and resume it as an integrated part of the operating system Can't you do this with gdb? Running `gdb -p <some pid>` pauses that process, you can inspect it, set breakpoints, change values in memory, etc, and then resume execution.