the tutorial you are followwing deals with installation on Ubuntu while you are using Arch. It is a different Linux distribution (pre packaged set of software). apt-get is Debian/Ubuntu specific tool to fetch packages.
There seem to be packages for Arch according to the wiki https://wiki.archlinux.org/index.php/android . android-tools seem to be the package you are looking for.
# ADB on Arch
Posté par Croconux . En réponse au message How To Install ADB On Linux?. Évalué à 3.
Hello,
the tutorial you are followwing deals with installation on Ubuntu while you are using Arch. It is a different Linux distribution (pre packaged set of software). apt-get is Debian/Ubuntu specific tool to fetch packages.
There seem to be packages for Arch according to the wiki https://wiki.archlinux.org/index.php/android . android-tools seem to be the package you are looking for.