Linux a.out binaries

Daniel O'Connor doconnor at
Thu Apr 18 02:46:12 UTC 2013

I have some very old Linux a.out binaries that I have run on a FreeBSD 4 box. I recently tried them on a 9.1 system but I get an exec format error when trying to run them.

[obtuse 11:45] ~ >/usr/local/rsi/idl_4/bin/bin.linux/idl
zsh: exec format error: /usr/local/rsi/idl_4/bin/bin.linux/idl
[obtuse 11:45] ~ >file /usr/local/rsi/idl_4/bin/bin.linux/idl
/usr/local/rsi/idl_4/bin/bin.linux/idl: Linux/i386 demand-paged executable (QMAGIC), stripped

I presume it has rotted and was removed, does anyone know when?


Daniel O'Connor software and network engineer
for Genesis Software -
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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