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Install parallel with Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, scoop, winget

Shell command parallelization utility. Version 20260722 via Homebrew; verified 2026-07-22. Also installable with debian: sudo apt install parallel.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install parallel

local Homebrew formula metadata

MacPortsverified · 94%
sudo port install parallel

MacPorts ports tree · sysutils/parallel/Portfile · source: api.github.com

Linux

Alpine Linux apkverified · 92%
sudo apk add parallel

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

Debian aptverified · 92%
sudo apt install parallel

Debian stable package indexes · parallel · source: deb.debian.org

Fedora dnfverified · 92%
sudo dnf install parallel

Fedora Rawhide package metadata · parallel · source: dl.fedoraproject.org

Nixverified · 92%
nix profile install nixpkgs#parallel

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

Arch Linux pacmanverified · 92%
sudo pacman -S parallel

Arch Linux sync databases · parallel · source: geo.mirror.pkgbuild.com

Windows

Scoopverified · 92%
scoop install main/sem

Scoop official bucket manifest trees · bucket/sem.json · source: api.github.com

Windows Package Managerverified · 92%
winget install --id AtaraxyLabs.sem -e

Windows Package Manager source index · AtaraxyLabs.sem · source: cdn.winget.microsoft.com

overview

Package summary

Shell command parallelization utility

Commands and aliases

  • env_parallel
  • env_parallel.ash
  • env_parallel.bash
  • env_parallel.csh
  • env_parallel.dash
  • env_parallel.fish
  • env_parallel.ksh
  • env_parallel.mksh
  • env_parallel.pdksh
  • env_parallel.sh
  • env_parallel.tcsh
  • env_parallel.zsh
  • niceload
  • parallel
  • parcat
  • parset
  • parsort
  • sem
  • sql

security posture

Risk level: yellow

broad file, network, media, or database tool signal. generalized runtime or code generation signal.

Risk classifier

yellow risk · medium confidence · runtime

Why

  • broad file, network, media, or database tool signal
  • generalized runtime or code generation signal

Signals

  • text:shell
  • text:sql

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 1 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.

local files

Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.

Configuration files

Config paths the tool may read or write during local use.

Unix
/etc/parallel/config~/.parallel/config~/.parallel/ignored_vars

executables

Installed executables

CommandKindExposureNote
env_parallelcliglobal executable
env_parallel.ashcliglobal executable
env_parallel.bashcliglobal executable
env_parallel.cshcliglobal executable
env_parallel.dashcliglobal executable
env_parallel.fishcliglobal executable
env_parallel.kshcliglobal executable
env_parallel.mkshcliglobal executable
env_parallel.pdkshcliglobal executable
env_parallel.shcliglobal executable
env_parallel.tcshcliglobal executable
env_parallel.zshcliglobal executable
niceloadcliglobal executable
parallelcliglobal executable
parcatcliglobal executable
parsetcliglobal executable
parsortcliglobal executable
semcliglobal executable
sqlcliglobal 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 generated2026-08-04
manager version20260722
manager updated2026-07-22
local dataok
upstreamnot checked
latest detectednot detected

https://savannah.gnu.org/projects/parallel/

install metadata

Package metadata

Package keybrew:parallel
Version20260722
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/parallel
Homepagehttps://savannah.gnu.org/projects/parallel/
Upstream docshttps://savannah.gnu.org/projects/parallel/
LicenseGPL-3.0-or-later
Source archivehttps://ftpmirror.gnu.org/gnu/parallel/parallel-20260722.tar.bz2
Last updated2026-07-22T01:06:02Z
Pulseupdated
Bottleavailable (on all)
Homebrew post-installnot defined
Servicenone declared
CaveatsTo use the --csv option, the Perl Text::CSV module has to be installed. You can install it via: perl -MCPAN -e'install Text::CSV'

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Nameparallel
Version Scheme1
Revision0
Head VersionHEAD
Conflicts With
  • moreutils
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
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.

Debian apt95%

parallel 20240222+ds-2

build and execute command lines from standard input in parallel

https://www.gnu.org/software/parallel/

sudo apt install parallel
  • Section: utils
  • Architecture: all
  • 3 dependencies
  • 5 optional deps
  • normalized package name match
  • Matched by: Parallel
Debian stable package indexes · deb.debian.org · Debian stable package indexes: parallel from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

parallel

nix profile install nixpkgs#parallel
  • normalized package name match
  • Matched by: Parallel
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/pa/parallel/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

parallel 20231122+ds-1

build and execute command lines from standard input in parallel

https://www.gnu.org/software/parallel/

sudo apt install parallel
  • Section: universe/utils
  • Architecture: all
  • 3 dependencies
  • 5 optional deps
  • normalized package name match
  • Matched by: Parallel
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: parallel from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
apk95%

parallel 20260722-r0

Shell tool for executing jobs in parallel

https://www.gnu.org/software/parallel

sudo apk add parallel
  • License: GPL-3.0-or-later
  • Architecture: x86_64
  • Source Package: parallel
  • 1 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Parallel
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: parallel from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
apk95%

parallel-bash-completion 20260722-r0

Bash completions for parallel

https://www.gnu.org/software/parallel

sudo apk add parallel-bash-completion
  • License: GPL-3.0-or-later
  • Architecture: x86_64
  • Source Package: parallel
  • normalized package name match
  • Matched by: Parallel
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: parallel-bash-completion from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
apk95%

parallel-doc 20260722-r0

Shell tool for executing jobs in parallel (documentation)

https://www.gnu.org/software/parallel

sudo apk add parallel-doc
  • License: GPL-3.0-or-later
  • Architecture: x86_64
  • Source Package: parallel
  • normalized package name match
  • Matched by: Parallel
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: parallel-doc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
apk95%

parallel-zsh-completion 20260722-r0

Zsh completions for parallel

https://www.gnu.org/software/parallel

sudo apk add parallel-zsh-completion
  • License: GPL-3.0-or-later
  • Architecture: x86_64
  • Source Package: parallel
  • normalized package name match
  • Matched by: Parallel
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: parallel-zsh-completion from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
dnf95%

parallel 20260722-1.fc45

Shell tool for executing jobs in parallel

https://www.gnu.org/software/parallel/

sudo dnf install parallel
  • License: GPL-3.0-or-later AND GFDL-1.3-or-later
  • Category: Unspecified
  • Architecture: noarch
  • Source Package: parallel
  • 2 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Parallel
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: parallel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst
pacman95%

parallel 20260722-1

A shell tool for executing jobs in parallel

https://www.gnu.org/software/parallel/

sudo pacman -S parallel
  • License: GPL-3.0-or-later
  • Architecture: any
  • 2 dependencies
  • 1 optional deps
  • normalized package name match
  • Matched by: Parallel
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: parallel from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz
MacPorts95%

parallel

sudo port install parallel
  • normalized package name match
  • Matched by: Parallel
MacPorts ports tree · api.github.com · MacPorts ports tree: sysutils/parallel/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
MacPorts94%

sem

sudo port install sem
  • installed executable or alias match
  • Matched by: Sem
MacPorts ports tree · api.github.com · MacPorts ports tree: devel/sem/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
Nix92%

sem

nix profile install nixpkgs#sem
  • installed executable or alias match
  • Matched by: Sem
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/se/sem/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Scoop92%

main/sem

scoop install main/sem
  • installed executable or alias match
  • Matched by: Sem
Scoop official bucket manifest trees · api.github.com · Scoop official bucket manifest trees: bucket/sem.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1
winget92%

AtaraxyLabs.sem

winget install --id AtaraxyLabs.sem -e
  • installed executable or alias match
  • Matched by: Sem
Windows Package Manager source index · cdn.winget.microsoft.com · Windows Package Manager source index: AtaraxyLabs.sem from https://cdn.winget.microsoft.com/cache/source.msix

package graph

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

Same workflow

  • powershellShares pkgdb curated category or tags: automation, cli, developer-tools, shell.
  • shtoolShares pkgdb curated category or tags: cli, developer-tools, gnu, shell.
  • ondirShares pkgdb curated category or tags: automation, cli, developer-tools, shell.
  • shellcheckShares pkgdb curated category or tags: cli, developer-tools, shell.
  • fishShares pkgdb curated category or tags: cli, developer-tools, shell.
  • shfmtShares pkgdb curated category or tags: cli, developer-tools, shell.

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.

Used sources

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • curated configuration and credential file locations
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment
  • pkg.so package database
  • pkgdb category and tag curation