Tag: systems-programming

All the articles with the tag "systems-programming".

• Who uses the CPU when you type `tail -f`?

  31 May, 2026

  This post started with running tail -f in one terminal and echo >> in another, and finding a red anon_inode:inotify entry in /proc. It unpacks that discovery and answers the question: who actually does the work when you run tail -f?