Broken links on material about `eshell`

[pdelfino]

The links mentioned here are broken:

For more thoughts on Eshell, check out these articles by Pierre Neidhardt:
https://ambrevar.xyz/emacs-eshell/index.html
https://ambrevar.xyz/emacs-eshell-versus-shell/index.html

Unfortunately, Pierre Neidhardt removed content from his blog. If you ask via email, he might send it to you.