From Fedora Project Wiki
introduction
quickstart, cheat sheet
for users
theory of operation
- initial system setup, manager loop
- units
- types
- jobs
- types, transactions, installed jobs
- dependencies
- ordering
- requirement
usage, detailed
diagnosing problems
for developers
writing units
- organization of manpages: systemd.unit, systemd.exec, systemd.service, ...
patching daemons
- racy fork+exit
- sd_notify()
- sd_listen_fds()