ifconfig

Legacy network interface tool

high risk

interactive breakdown — edit the command and press Explain
$ 
⚠ Risks & cautions
Safer / dry-run alternatives
ip -br aUse ip for viewing
(sleep 120 && ifconfig <if> up) &Safety net before changing interfaces
What it does

Shows/configures interfaces (superseded by ip).

Examples
ifconfigShow interfaces · explain & risk-check →
ifconfig eth0 downDisable an interface (dangerous remotely) · explain & risk-check →
Related
ip
Open the full explainer →More in Networking

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