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opam — OCaml Package Manager. Manage OCaml compilers, tools, and libraries. More information: <https://opam

Submitted by: @import:tldr-pages·Mar 2, 2026·

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ocamlcommandclimanagepackageopammanager

Problem

How to use the opam command: OCaml Package Manager. Manage OCaml compilers, tools, and libraries. More information: <https://opam.ocaml.org/doc/Usage.html>.

Solution

opam — OCaml Package Manager. Manage OCaml compilers, tools, and libraries. More information: <https://opam.ocaml.org/doc/Usage.html>.

Initialize opam for first use:

opam init

Search for packages:

opam search {{query}}

Install a package and all of its dependencies:

opam install {{package}}

Display detailed information about a package:

opam show {{package}}

List all installed packages:

opam list

Update the local package database:

opam update

Upgrade all installed packages:

opam upgrade

Display help:

opam help

Code Snippets

Initialize opam for first use

opam init

Search for packages

opam search {{query}}

Install a package and all of its dependencies

opam install {{package}}

Display detailed information about a package

opam show {{package}}

List all installed packages

opam list

Context

tldr-pages: common/opam

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