GitHub - Helly-OS/4.4BSD-Lite: 4.4BSD Lite Release 2: last and original Unix operating system source code from Berkeley
GitHub - neilss/4.4BSD-Lite: source code referenced by 【TCP/IP Illustrated Volume 2: The Implementation】
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The "HACKERS" Book 1996 Design & Implementation of the 4.4 BSD Operating System 9780201549799 | eBay
![9781565920927: BSD-Lite 4.4 CD-ROM Companion - Computer Systems Research Group: 1565920929 - AbeBooks 9781565920927: BSD-Lite 4.4 CD-ROM Companion - Computer Systems Research Group: 1565920929 - AbeBooks](https://pictures.abebooks.com/isbn/9781565920927-us.jpg)
9781565920927: BSD-Lite 4.4 CD-ROM Companion - Computer Systems Research Group: 1565920929 - AbeBooks
![history - What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase? - Retrocomputing Stack Exchange history - What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase? - Retrocomputing Stack Exchange](https://i.stack.imgur.com/ih5vB.png)
history - What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase? - Retrocomputing Stack Exchange
![4.4 BSD Lite Export (Walnut Creek) (June 1994) : Free Download, Borrow, and Streaming : Internet Archive 4.4 BSD Lite Export (Walnut Creek) (June 1994) : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/4.4_BSD_Lite_Export_Walnut_Creek_June_1994/4.4_BSD_Lite_Export_Walnut_Creek_June_1994_thumb.jpg)