How to add a command to Linux that will be executed at system startup?

Question

linux

Installed Manjaro (arch fork), but keyboard layout change does not work at startup.
You have to constantly do:

setxkbmap "us,ru" ",winkeys" "grp:alt_shift_toggle,grp_led:scroll"

How can I make it run on startup?

Answer 1

write to /etc/rc.local file