Usernames, Passwords, and Security
summary
Claim: usernames serve two distinct roles—UID/SID mapping for OS security (Unix small integer UIDs, Windows SIDs and access tokens) and account identifiers for services; two patterns persist from 1960s time‑sharing to cloud. Evidence: Unix on a PDP7 uses tiny UIDs (36k words of memory, 5 MB disk), Intel 8286 brings virtual memory in 1982, Esenix notes ~1,200 Unix licenses in 1982, web services scale forces collision workarounds. Conclusion: usernames are not secrets, passwords authenticate.
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chapters (8)
- 0:00Usernames and passwords
- 1:14Usernames as identifiers
- 3:43Virtual memory and ownership
- 6:51Usernames in identity
- 11:53Usernames evolution
- 16:13Handles in the 90s
- 18:23Usernames in modern servers
- 19:06Summary and passwords
