move linux from scratch (#10890)

books/free-programming-books-langs.md

@@ -1491,7 +1491,7 @@ Books on general-purpose programming that don't focus on a specific language are
 * [Linux Appliance Design: A Hands-On Guide to Building Linux Appliances](http://librta.org/book.html) - Bob Smith, John Hardin, Graham Phillips, Bill Pierce (PDF, EPUB, MOBI)
 * [Linux commands Notes for Professionals](https://goalkicker.com/LinuxBook/) - Compiled from StackOverflow documentation (PDF)
 * [Linux Device Drivers, Third Edition](http://lwn.net/Kernel/LDD3/) - Jonathan Corbet, Alessandro Rubini, Greg Kroah-Hartman
-* [Linux from Scratch](http://www.linuxfromscratch.org/lfs/view/stable/)
+* [Linux From Scratch](https://www.linuxfromscratch.org/lfs/view/stable/) - Gerard Beekmans, Bruce Dubbs, Ken Moffat, Pierre Labastie, et al.
 * [Linux Fundamentals](http://linux-training.be/linuxfun.pdf) - Paul Cobbaut (PDF)
 * [Linux Inside](https://0xax.gitbooks.io/linux-insides/content/index.html)
 * [Linux Kernel in a Nutshell](http://www.kroah.com/lkn/)

books/free-programming-books-subjects.md

@@ -707,7 +707,6 @@ Books that cover a specific programming language can be found in the [BY PROGRAM
 * [Flexible Operating System Internals: The Design and Implementation of the Anykernel and Rump Kernels](https://aaltodoc.aalto.fi/handle/123456789/6318) - Antti Kantee (PDF)
 * [How to Make a Computer Operating System](https://github.com/SamyPesse/How-to-Make-a-Computer-Operating-System) - Samy Pesse (:construction: *in process*)
 * [How to write a simple operating system in assembly language](https://mikeos.sourceforge.net/write-your-own-os.html) - Mike Saunders (HTML)
-* [Linux From Scratch](https://www.linuxfromscratch.org/lfs/view/stable/) - Gerard Beekmans, Bruce Dubbs, Ken Moffat, Pierre Labastie, et al. (HTML, [PDF, downloads...](https://www.linuxfromscratch.org/lfs/downloads/stable/))
 * [Making Servers Work: A Practical Guide to Linux System Administration](https://www.digitalocean.com/community/books/sysadmin-ebook-making-servers-work) - Jamon Camisso (PDF, EPUB)
 * [Operating Systems and Middleware](https://gustavus.edu/mcs/max/os-book/) - Max Hailperin (PDF, LaTeX)
 * [Operating Systems: From 0 to 1](https://github.com/tuhdo/os01/releases/tag/0.0.1) - Tu, Ho Doang (PDF) (:construction: *in process*)