psql meta (advanced)

psql backslash commands

low risk

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

\l, \dt, \d table, \x, \timing and more inside psql.

Examples
psql -c "\l"List databases · explain & risk-check →
psql -c "\dt+"Tables and sizes · explain & risk-check →
Related
psql
Open the full explainer →More in Databases

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