https://opensafely-core.r-universe.dev/osutilshttps://opensafely-core.r-universe.dev/api/packages/osutilshttps://opensafely-core.r-universe.dev/osutils/osutils.pdfhttps://opensafely-core.r-universe.dev/osutils/doc/manual.htmlhttps://opensafely-core.r-universe.dev/osutils/citationhttps://opensafely-core.r-universe.dev/osutils/citation.txthttps://opensafely-core.r-universe.dev/osutils/citation.cff