Is X11 the oldest code found on most Linux desktop installations?

Posted Jul 5, 2024 9:50 UTC (Fri) by gioele (subscriber, #61675)
In reply to: Is X11 the oldest code found on most Linux desktop installations? by alison
Parent article: Rosenthal: X Window System At 40

According to a cursory search of the content of debian/copyright files, it seems that auto-07p (software for continuation and bifurcation problems in ODE) is the oldest program in Debian:

Files: *
Copyright: 1979-2007, E.~J.~Doedel, California Institute of
 Technology, and Concordia University.  All rights reserved.
License: BSD-3-clause

The more modern jlapack contains what seems to be oldest file with a substantial amount of code:

Files: jlapack-3.1.1/src/blas/blas.f
Copyright: 1978-1993 Lawson, C.L. (JPL)
           1978-1993 Hanson, R.J. (SNLA)
           1978-1993 Kincaid, D.R. (U. of Texas)
           1978-1993 Krogh, F.T. (JPL)
License: BSD-3-clause