tac

Print file lines in reverse

low risk

interactive breakdown — edit the command and press Explain
$ 
What it does

Like cat, but prints the last line first.

Examples
tac /var/log/syslog | headNewest log lines first · explain & risk-check →
Related
cat tail
Open the full explainer →More in Text Processing

Reference text is hand-written and may be incomplete — check man tac for your version. Test destructive commands on a non-production system first.