To cite package ‘sys’ in publications use:

Ooms J (2024). sys: Powerful and Reliable Tools for Running System Commands in R. R package version 3.4.3, https://github.com/jeroen/sys.

Corresponding BibTeX entry:

  @Manual{,
    title = {sys: Powerful and Reliable Tools for Running System
      Commands in R},
    author = {Jeroen Ooms},
    year = {2024},
    note = {R package version 3.4.3},
    url = {https://github.com/jeroen/sys},
  }