eval

Execute a string as shell code

high risk

interactive breakdown — edit the command and press Explain
$ 
⚠ Risks & cautions
Safer / dry-run alternatives
printf "%q" "$value"Quote values safely instead of eval
What it does

Concatenates its arguments and runs the result as a command. Easy to misuse.

Examples
eval "$(ssh-agent -s)"Typical safe use: apply output of a trusted program · explain & risk-check →
Related
bash source
Open the full explainer →More in Shell & Scripting

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