From Rosetta Code

Retired Unix and Linux kernel and utilties hacker, specializing in multiprocessor code, source control, build and package management, backups, and file systems. Original designer of Linux cpusets (predecessor of cgroups). Currently developing tools for web server backup and firewalls.

My Favorite Languages
Language Proficiency
AWK Intermediate
Bc Casual
C Advanced
C++ forgotten not so long ago
Fortran forgotten long ago
JavaScript Casual
Nim Novice
MySQL Casual
Perl Casual
Python Intermediate
PHP Casual
Rust Novice
Sed Advanced
UNIX Shell Advanced
UnixPipes Intermediate