>The purpose of set0 in the debugger is that users often write programs that refer to $0. For example to display a usage string or maybe they change the behavio

>The purpose of set0 in the debugger is that users often write programs that refer to $0. For example to display a usage string or maybe they change the behavior based on how they were called. So this helps in making these programs act the same way and gives an alternative to invoking with "bash --debugger". https://lists.gnu.org/archive/html/bug-bash/2008-09/msg00054.html https://lists.gnu.org/archive/html/bug-bash/2008-09/msg00054... Yes, 2008.