Best su Alternatives ranked by AI · updated Aug 2026

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su is a standard Unix utility for switching to another user account and launching a shell or command. It suits administrators who need direct account switching rather than sudo's detailed per-command authorization model.

Developer: util-linux Project Price: Free, open source 🎯 github.com/util-linux/util-linux

🔓 Open Source System Administration Unix privilege escalation

Top 6 su alternatives

Sudo

Sudo Project

Sudo is a Unix command that lets permitted users run individual commands with another user's privileges, most commonly as root. It is...

Pros

More granular command, user, host, and environment policies than su
Widely available across Linux, BSD, and Unix systems
Supports extensive logging and audit integration

Cons

More complex to configure correctly than doas
Misconfigured sudoers rules can create serious privilege-escalation risks
Requires authentication by default, unlike some service-oriented alternatives

Free, open source

Alternatives to Sudo → Visit site

doas

OpenBSD Project

doas is a small Unix privilege-escalation command for running programs as another user. It targets system administrators who prefer a simpler policy...

Pros

Much simpler configuration than sudo
Smaller implementation with fewer legacy features
Built into OpenBSD and available on several other Unix-like systems

Cons

Fewer policy and logging features than sudo
Less ubiquitous on Linux distributions
Smaller ecosystem of enterprise integrations

Free, open source

Alternatives to doas → Visit site

OpenDoas

OpenDoas Project

OpenDoas is a portable implementation of the doas privilege-escalation utility for Unix-like operating systems. It is aimed at administrators who want doas-style...

Pros

Portable across Linux and other Unix-like systems
Simpler configuration than sudo
Small codebase and minimal feature surface

Cons

Lacks sudo's advanced policy controls
Fewer distribution integrations and support resources than sudo
Limited enterprise audit and identity-management features

Free, open source

Alternatives to OpenDoas → Visit site

run0

systemd Project

run0 is a systemd command for starting processes with another user's privileges, usually through a transient systemd service. It is intended for...

Pros

Integrates with systemd authentication and service management
Avoids some shell and environment pitfalls associated with sudo
Provides transient service isolation and resource controls

Cons

Requires a systemd-based Linux system
Less suitable for traditional Unix and BSD environments than sudo
Different process and environment semantics can surprise scripts

Free, open source

Alternatives to run0 → Visit site

pkexec

polkit Project

pkexec is a polkit command-line utility for running programs with another user's privileges under polkit authorization policies. It is primarily suited to...

Pros

Integrates with polkit policies and desktop authentication agents
Supports centralized authorization based on system identity and sessions
Fits graphical applications better than traditional sudo

Cons

Linux and polkit dependent, unlike portable sudo
Less convenient for ordinary shell administration
Requires polkit configuration and often an authentication agent

Free, open source

Alternatives to pkexec → Visit site

sudo-rs

Sudo Project

sudo-rs is a Rust implementation of the sudo command focused on memory safety and compatibility with common sudo workflows. It is aimed...

Pros

Uses Rust's memory-safety guarantees
Provides familiar sudo-style command invocation
Targets a smaller and more maintainable implementation

Cons

Feature coverage is narrower than mature sudo
Compatibility with complex sudoers setups may be incomplete
Less deployment history in large production environments

Free, open source

Alternatives to sudo-rs → Visit site

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