nushell/docs/commands/which.md

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---
title: which
layout: command
version: 0.59.1
---
Finds a program file, alias or custom command.
## Signature
```> which (application) ...rest --all```
## Parameters
- `application`: application
- `...rest`: additional applications
- `--all`: list all executables
## Examples
Find if the 'myapp' application is available
```shell
> which myapp
```