Wesley Bertipaglia

$ Software engineer from Brazil, specialized in back-end development.

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Just setting up my status page. Be nice to it.
September 29, 2026 • Note

Latest Posts

From Power-On to main()
The capstone of the Operating Systems series: the full journe...
5 min read • Operating Systems
os, boot, internals, how-it-works
fnwjjudq
I/O & Syscalls Explained
A deep dive into input/output and system calls: blocking vers...
5 min read • Operating Systems
os, io, syscalls, how-it-works
fnwjjudq
Filesystems Explained
A deep dive into filesystems: files and inodes, directories a...
5 min read • Operating Systems
os, filesystems, storage, how-it-works
fnwjjudq

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Back-end Challenges
A repository of back-end challenges to help you improve your ...
2 min read
backend, challenges, development