Reiner Dassing <dassing(at)wettzell(dot)ifag(dot)de> writes:
> By accident I gave in psql the command \@ and \db.
> In both cases a core dump was produced.
> Basis:
> PostgreSQL V7.1.1 on Tru64 V 5.1
Which version is your file pgsql/src/bin/psql/command.c ?
If it's 1.49 then this is a known bug. 1.49.2.1 has the fix,
but I'm not sure if that's in the file set you have.
regards, tom lane