truncates /etc/apk/repositories, and by default sources only the edge/main repo.
updates the system to edge.
02_create-user-lock-root.sh
asks the user to specify a username and a password: a user with such credentials will be created.
adds the newly created user to the wheel group.
installs the doas package (sudo alternative).
disables the root user.
prompts the user to digit the exit command and login again as the newly created user, such user will be able to gain root privileges trough the doas command.
03_autologin.sh
installs the tcc C compiler (~1Mb) and the musl-dev package (~10Mb) which containts the standard C libraries.
compiles a binary called autologin and puts it into /usr/sbin, such binary is a wrapper around the login binary situated in /bin.
edits /etc/inittab adding the -n -l /usr/sbin/autologin flags to /sbin/getty for each tty.
truncates etc/motd: the file containing the message prompted right after login.
04_silent-boot.sh
Enables OpenRC parallelization by editing rc_parallel="YES" in the /etc/rc.conf file.
Adds the --quiet flags to the /sbin/openrc commands in the /etc/inittab file.
05_ash-config.sh
nukes /etc/profile.
sets /etc/profile.d/ as the directory in which to look for startup scripts.