# Sergey Poznyakoff

> programmer and GNU maintainer

**Wikidata**: [Q27990581](https://www.wikidata.org/wiki/Q27990581)  
**Source**: https://4ort.xyz/entity/sergey-poznyakoff

## Summary
Sergey Poznyakoff is a programmer and long-time maintainer of multiple GNU software projects, including GNU tar, GNU cflow, and GNU micron. He is best known for his contributions to open-source software, particularly in system utilities and development tools.

## Biography
- Born: [Not available in source material]
- Nationality: [Not available in source material]
- Education: [Not available in source material]
- Known for: Maintaining and developing GNU software projects
- Employer(s): GNU Project
- Field(s): Software engineering, programming

## Contributions
Sergey Poznyakoff has made significant contributions to the GNU Project, maintaining and developing several key software tools. He has been the maintainer of GNU tar since 2004, a widely used archiving utility. In 1997, he became the maintainer of GNU cflow, a tool for generating flow charts from source code, and also created cflow-mode, a major mode for visiting flow charts in GNU Emacs, which was introduced in 1994.

Poznyakoff has also been involved in the development and maintenance of other GNU projects, including GNU Dico (since 2009), GNU Rush (since 2008), Direvent (since 2012), and GNU micron (since 2024), an implementation of the UNIX cron daemon that was first introduced in 2020. His work on these projects has been instrumental in the ongoing development and maintenance of essential GNU utilities.

## FAQs
### Q: What is Sergey Poznyakoff known for?
A: Sergey Poznyakoff is known for his role as a maintainer and developer of several GNU software projects, including GNU tar, GNU cflow, and GNU micron.

### Q: What is GNU micron?
A: GNU micron is an implementation of the UNIX cron daemon, developed and maintained by Sergey Poznyakoff since 2024. It was first introduced in 2020.

### Q: What is cflow-mode?
A: cflow-mode is a major mode for visiting flow charts in GNU Emacs, created by Sergey Poznyakoff in 1994.

### Q: When did Sergey Poznyakoff become the maintainer of GNU tar?
A: Sergey Poznyakoff became the maintainer of GNU tar in 2004.

### Q: What other GNU projects has Sergey Poznyakoff been involved in?
A: In addition to GNU tar and GNU cflow, Sergey Poznyakoff has been involved in GNU Dico (since 2009), GNU Rush (since 2008), Direvent (since 2012), and GNU micron (since 2024).

## Why They Matter
Sergey Poznyakoff's contributions to the GNU Project have been crucial in maintaining and advancing essential software tools that are widely used in the open-source community. His work on GNU tar, a fundamental archiving utility, ensures its continued reliability and functionality. The development of GNU micron provides a modern implementation of the cron daemon, which is vital for task scheduling in UNIX-like systems.

Poznyakoff's involvement in multiple GNU projects demonstrates his commitment to the open-source movement and his expertise in software engineering. His contributions have influenced the development of system utilities and development tools, making him a significant figure in the GNU community.

## Notable For
- Maintainer of GNU tar since 2004
- Maintainer of GNU cflow since 1997
- Creator of cflow-mode for GNU Emacs in 1994
- Maintainer of GNU micron since 2024
- Contributions to multiple GNU projects, including GNU Dico, GNU Rush, and Direvent

## Body
### Early Contributions
Sergey Poznyakoff's early contributions to the GNU Project include the creation of cflow-mode in 1994, a major mode for visiting flow charts in GNU Emacs. This tool has been beneficial for developers working with flow charts in Emacs.

### GNU cflow
In 1997, Poznyakoff became the maintainer of GNU cflow, a tool for generating flow charts from source code. His maintenance of this project has ensured its continued development and usability.

### GNU tar
Since 2004, Poznyakoff has been the maintainer of GNU tar, a widely used archiving utility. His work on GNU tar has been instrumental in maintaining its functionality and reliability.

### Other GNU Projects
Poznyakoff has also been involved in the development and maintenance of several other GNU projects. He became the maintainer of GNU Dico in 2009, GNU Rush in 2008, and Direvent in 2012. In 2024, he took on the role of maintainer for GNU micron, an implementation of the UNIX cron daemon that was first introduced in 2020.

### GNU micron
GNU micron, developed and maintained by Poznyakoff, is an implementation of the UNIX cron daemon. This tool is essential for task scheduling in UNIX-like systems, and Poznyakoff's work ensures its continued development and improvement.

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Person",
  "name": "Sergey Poznyakoff",
  "jobTitle": "Programmer",
  "worksFor": {"@type": "Organization", "name": "GNU Project"},
  "sameAs": ["https://www.wikidata.org/wiki/Q109478799"],
  "description": "Programmer and GNU maintainer"
}

## References

1. [GNU's Who](https://www.gnu.org/people/people.html#s)