This document is devoted to AWS logs. Several examples are analysed and useful fields are marked.
logcat command of adb is used to get system log. It’s an equivalent to Ubuntu syslog, as far as I understand.
Same as for macOS. On iOS - /private/var/.fseventsd, for System: /.fseventsd and Developer Patch at /DeveloperPatch/.
Syslog syslog. Since macOS Sierra (10.12, 2016) Apple has redesigned its log system. Unix logs were replaced (syslog, for example).
Windows registry stores two types of data: settings and logs. These are not usual logs, like event logs, but rather some stats or recent activity snapshots.
/var/log ð§ /etc/rsyslog.conf - see the log owners, what specific logs are logging and where the additional configurations are stored.