A place to write down the things I look up more than twice: flags I never remember, formats that surprise me, and debugging sessions worth repeating.
Recent
- Why tar keeps the leading slash — and the two flags that decide whether it does.
- Sorting is not sorting — the same command, two machines, two different orders.
- Three kinds of file timestamp — and which one your backup tool actually reads.
About
Everything here is written for my own future reference. If it helps you too, that is a happy accident. No tracking, no comments, no newsletter.