Yes pbcopy is a mac thing. On Linux, there are of course many different commands in different environments/distros. xsel, xclip, wl-clipboard, wlclip to name a few.

On windows, powershell has Get-Clipboard and Set-Clipboard, and cmd.exe has `wsl` to fix the issue of having used cmd.exe to begin with.

Though, if you have a preferred shade of blue, you can actually use it for the HN header in your user settings.