This is METAFONT, Version 2.718281 (TeX Live 2013) (INIMF)  8 NOV 2021 19:32
(/usr/share/texlive/texmf/web2c/cp227.tcx)
**mf.ini
(/usr/share/texlive/texmf-dist/metafont/config/mf.ini
(/usr/share/texlive/texmf-dist/metafont/base/plain.mf
Preloading the plain base, version 2.71: preliminaries,
 basic constants and mathematical macros,
 macros for converting from device-independent units to pixels,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
(/usr/share/texlive/texmf-dist/metafont/misc/modes.mf) )
Beginning to dump on file mf.base
 (base=mf 2021.11.8)
2226 strings of total length 30005
11864 memory locations dumped; current usage is 3658&7844
1004 symbolic tokens