> ## Documentation index
> Fetch the complete documentation index at: https://upstash.com/docs/llms.txt
> Ask it with GET https://upstash.com/docs/ask?q=<keywords or question>. Short keywords rank best.
> Use these to discover all available pages before exploring further.
> Feature requests: https://upstash.com/docs/common/help/feature-requests.md lists what users asked for and how to vote for a request or add one.
> Page rating: `GET https://upstash.com/docs/feedback?path=/docs/redis/commands/functions/overview&helpful=true` (or `false`) records whether this page helped. An optional `comment` (URL-encoded, at most 500 characters) says what was missing or wrong. It is anonymous and needs no key. Comments hold no code, secrets or personal data.

# Functions commands

> Commands for loading, managing, and invoking Redis functions.

<CardGroup cols={2}>
<Card title="FCALL" href="/redis/commands/functions/fcall">Call a function</Card>
<Card title="FCALL_RO" href="/redis/commands/functions/fcall-ro">Call a read-only function</Card>
<Card title="FUNCTION DELETE" href="/redis/commands/functions/function-delete">Delete a library</Card>
<Card title="FUNCTION FLUSH" href="/redis/commands/functions/function-flush">Delete all libraries</Card>
<Card title="FUNCTION KILL" href="/redis/commands/functions/function-kill">Kill a running function</Card>
<Card title="FUNCTION LIST" href="/redis/commands/functions/function-list">List all libraries</Card>
<Card title="FUNCTION LOAD" href="/redis/commands/functions/function-load">Load a library</Card>
<Card title="FUNCTION STATS" href="/redis/commands/functions/function-stats">Get function execution stats</Card>
</CardGroup>