---
name: "duk"
section: "1"
platform: "linux"
package: "duktape"
version: "2.7.0-2+b2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/duk"
---

# duk(1)

duktape, embeddable Javascript engine

## NAME

duk - duktape, embeddable Javascript engine

## SYNOPSIS

**duk** \[*options*\] \[*\<filenames\>*\]

## DESCRIPTION

- **-i**

  enter interactive mode after executing argument file(s) / eval code

- **-e** CODE

  evaluate code

- **-c** FILE

  compile into bytecode (use with only one file argument)

- **--run-stdin**

  treat stdin like a file, i.e. compile full input (not line by line)

- **--verbose**

  verbose messages to stderr

- **--restrict-memory**

  use lower memory limit (used by test runner)

- **--alloc-default**

  use Duktape default allocator

- **--recreate-heap**

  recreate heap after every file

- **--no-heap-destroy**

  force GC, but don't destroy heap at end (leak testing)

If \<filename\> is omitted, interactive mode is started automatically.

- **-i**

  enter interactive mode after executing argument file(s) / eval code

- **-e** CODE

  evaluate code

- **-c** FILE

  compile into bytecode (use with only one file argument)

- **--run-stdin**

  treat stdin like a file, i.e. compile full input (not line by line)

- **--verbose**

  verbose messages to stderr

- **--restrict-memory**

  use lower memory limit (used by test runner)

- **--alloc-default**

  use Duktape default allocator

- **--recreate-heap**

  recreate heap after every file

- **--no-heap-destroy**

  force GC, but don't destroy heap at end (leak testing)

If \<filename\> is omitted, interactive mode is started automatically.