install

Additional install commands

macOS

Homebrewverified · 100%

brew install zzz

local Homebrew formula metadata

Linux

Alpine Linux apkverified · 92%

sudo apk add zzz

Alpine Linux edge package indexes · zzz · source: dl-cdn.alpinelinux.org

Nixverified · 92%

nix profile install nixpkgs#zzz

nixpkgs package indexes · pkgs/by-name/zz/zzz/package.nix · source: api.github.com

overview

Package summary

Command-line tool to put Macs to sleep

Project links

Commands and aliases

Zzz

history

Project history and usage

Zzz is a tiny macOS command-line utility that immediately requests system sleep. It is essentially a packaged one-command wrapper around Apple's IOKit power-management APIs.

Project history

The upstream README presents Zzz as a command-line macOS sleep program similar to SleepNow, with traditional make-based installation and a Homebrew installation path. The source is intentionally small C code using IOMasterPort, IOPMFindPowerManagement, and IOPMSleepSystem to ask macOS to sleep.

There is little public narrative around the project beyond the README and source, so its history is best understood as preservation of a tiny utility rather than an evolving application ecosystem.

Adoption history

Adoption appears narrow: users install it when they want a memorable terminal command that sleeps a Mac immediately, especially in scripts or shell workflows where a GUI sleep command is awkward. The README's explicit Homebrew instructions show that package-manager installation is part of the intended usage story.

How it is used

Usage is intentionally minimal: run Zzz, and the Mac sleeps immediately. The program has no configuration file, credentials, long-running daemon, or visible help flow; its behavior is the side effect of calling the macOS power-management sleep API.

Why package nerds care

Zzz is package-nerd significant as an extreme small-package case. It demonstrates why package indexes contain tiny platform appliances: a few lines of C plus a stable command name can be more convenient than remembering or retyping lower-level system calls or scripts.

It also shows the maintenance quirks of old macOS C utilities: even a sleep wrapper depends on SDK headers, IOKit linkage, and small compatibility fixes over time.

Timeline

Public README era: Zzz is documented as a command-line macOS sleep program with make-based installation and Homebrew installation instructions.
Current source: Zzz implements sleep by opening the macOS power-management connection and calling IOPMSleepSystem.

Related projects

Related tools and APIs include Apple's IOKit power-management APIs, pmset sleepnow, SleepNow-style utilities, SleepWatcher, caffeinate as the opposite keep-awake workflow, and other macOS command-line power-management helpers.

Sources

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

narrow executable package without higher-risk signals

Signals

metadata:no-higher-risk-signals

Install behavior

No Homebrew post-install hook is recorded in formula metadata.
Homebrew bottle metadata is available for 11 platform targets.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

Command	Kind	Exposure	Note
`Zzz`	cli	global executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-07-08

manager version1

manager updated

local dataok

upstreamnot checked

latest detectednot detected

https://github.com/Orc/Zzz

infoNo package-manager update timestamp was available.low confidence
infoNo cached GitHub release or tag data was available.https://github.com/Orc/Zzznone confidence

install metadata

Package metadata

Package key	brew:zzz
Version	1
Package manager	Homebrew
Package manager page	https://formulae.brew.sh/formula/zzz
Homepage	https://github.com/Orc/Zzz
Repository	https://github.com/Orc/Zzz
Upstream docs	https://github.com/Orc/Zzz#readme
License	LicenseRef-Homebrew-public-domain
Source archive	https://github.com/Orc/Zzz/archive/refs/tags/v1.tar.gz
Bottle	available (on arm64_big_sur, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura)
Homebrew post-install	not defined
Service	none declared

registry facts

Source database details

Source Database	Homebrew formula API
Tap	homebrew/core
Full Name	zzz
Version Scheme	0
Revision	0
Head Version	HEAD
Requirements	macos
Bottle Stable Root URL	https://ghcr.io/v2/homebrew/core
Deprecated	no
Disabled	no
Keg Only	no
URL Keys	head stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Nix95%

zzz

nix profile install nixpkgs#zzz

normalized package name match
Matched by: Zzz

nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/zz/zzz/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

apk95%

zzz 0.2.0-r0

Suspend or hibernate your computer

https://github.com/jirutka/zzz

sudo apk add zzz

License: MIT
Architecture: x86_64
Source Package: zzz
1 dependencies
1 provides
normalized package name match
Matched by: Zzz

Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: zzz from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

apk95%

zzz-doc 0.2.0-r0

Suspend or hibernate your computer (documentation)

https://github.com/jirutka/zzz

sudo apk add zzz-doc

License: MIT
Architecture: x86_64
Source Package: zzz
normalized package name match
Matched by: Zzz

Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: zzz-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Combined YAML source

View the package source record on GitHub.

combined/zzz.yml

Used sources

Geiger risk classifier
Nucleus package database
av.db category and tag curation
cross-ecosystem install command graph
curated package history
external package-manager database matches
package relationship graph
package version freshness
package-page enrichment

Install zzz with Homebrew, apk, Nix