- Added qubesos

- Added Linux resources

README.md

@@ -136,11 +136,20 @@ If you require any support, either whilst contributing or with linux, programmin
 4. [Kubuntu](https://kubuntu.org/) - Ubuntu with an alternative desktop environment.
 5. [Mint](https://linuxmint.com/) - Another variant of Ubuntu, great for those familiar with Windows.
 6. [Tails](https://tails.boum.org/index.en.html) - A portable distribution that runs only in memory, for the ultimate privacy protection.
-
+7. [Qubes OS](https://www.qubes-os.org/intro/)
 #### Supporting learning Linux
 1. [Ask Ubuntu](https://askubuntu.com/) - Ubuntu Q&A site. Part of Stack Exchange.
 2. [Unix & Linux Stack Exchange](https://unix.stackexchange.com/) - For more general Linux-related questions.
 
+#### Linux Resources
+1. [Arch Linux Wiki - Permissions](https://wiki.archlinux.org/title/File_permissions_and_attributes)
+2. [Arch Linux Docs - SSH](https://wiki.archlinux.org/title/OpenSSH#Installation)
+3. [Configure 2FA on SSH](https://ubuntu.com/tutorials/configure-ssh-2fa#1-overview)
+4. [Desktop Environments](https://wiki.archlinux.org/title/Desktop_environment)
+5. [Install and Configure SSH Server on Arch Linux](https://linuxhint.com/install_ssh_server_on_arch_linux/)
+6. [OpenSSH Manual](https://www.openssh.com/manual.html)
+7. [Principle of Least Privilege](https://techcommunity.microsoft.com/t5/azure-sql/security-the-principle-of-least-privilege-polp/ba-p/2067390)
+
 ## Other interesting stuff <a name="misc"></a>
 1. [E Foundation](https://e.foundation)
 2. [Satyr](https://git.waldn.net/git/knotteye/satyr) - Self hosted media streaming