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Tag: Ubuntu

home computer use, Linux

Ubuntu: suspend and hibernate

Jack Apr 30, 2026 Tagged with hibernate, Linux, power management, suspend, Ubuntu

Self-tutoring about home computer use with Ubuntu Linux: the tutor mentions suspend and hibernate. The following …

Ubuntu: suspend and hibernate Read more →

computer science, lifestyle, Linux

Linux: Ubuntu: aplay and arecord

Jack May 13, 2015 Tagged with aplay, arecord, making a short sound file on Ubuntu, recording a sound file on Ubuntu, Ubuntu

The tutor shares some discoveries he made while producing a sound file. In my Feb …

Linux: Ubuntu: aplay and arecord Read more →

computer science

Perl: sleep() and the bell, part II

Jack Feb 2, 2015 Tagged with ASCII '\a', ASCII '\a' Ubuntu, ASCII bell Ubuntu, external processes, Linux, perl exec(), perl external processes, perl programming, perl sleep() function, Ubuntu

The tutor follows up on an issue that evolved with the ASCII bell character, ‘\a’, a …

Perl: sleep() and the bell, part II Read more →

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