install_arch: Use shell instead of command
shell is like command but runs the command through a shell, so that piping will work.
Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
shell is like command but runs the command through a shell, so that piping will work.