fuc
A collection of modern, performance-focused Unix command replacements written in Rust, starting with cpz and rmz.
What is fuc?
FUC (Fast Unix Commands) is a collection of modern Unix command replacements written in Rust that focus on delivering superior performance and efficiency. It provides alternatives to traditional commands like cp and rm, with current implementations including cpz for copying files and rmz for removing files. The project solves the problem of slow standard utilities by optimizing for speed while maintaining usability.
System administrators, developers, and power users working on modern Linux systems who need faster file operations and command-line utilities. It's particularly valuable for those who perform bulk file operations or work with large datasets where command performance matters.
Developers choose FUC over standard utilities because it delivers significantly faster performance through modern Rust implementation and deliberate optimization. The unique selling point is the combination of benchmark-proven speed improvements with maintained usability, making it a practical drop-in replacement for common file operations.
Overview
Modern, performance focused unix commands
Use Cases
Best For
- Replacing slow cp commands when copying large numbers of files
- Accelerating rm operations on directories with many files
- Optimizing shell scripts that perform frequent file operations
- System administrators managing large file systems
- Developers working with build artifacts or temporary files
- Power users who want faster command-line workflows
Not Ideal For
- Environments requiring cross-platform compatibility or support for older systems
- Scripts that depend on the full feature set and exact behavior of GNU coreutils
- Projects where minimizing external dependencies is critical
Pros & Cons
Pros
Includes comprehensive benchmarks validating significant performance improvements over standard cp and rm commands, as shown in the comparisons folder.
Leverages Rust's safety and concurrency features for efficient and reliable system-level programming, as highlighted in the implementation.
Focuses on minimizing wasted compute when performance gains are marginal, aligning with the project's stated goals.
Improves user experience where applicable, building on familiar command interfaces without complicating the workflow.
Cons
Only offers cpz and rmz, lacking replacements for other common Unix commands like ls or grep, which reduces its broader utility.
Primarily targeted at modern Linux; non-Linux support is best-effort, restricting adoption in mixed or legacy environments.
Does not aim for full compatibility with coreutils, potentially breaking scripts reliant on specific options or behaviors, as admitted in the non-goals.
Open Source Alternative To
fuc is an open-source alternative to the following products:
Frequently Asked Questions
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