The package of programs 4ti2 is dedicated to algebraic, geometric and combinatorial problems on linear spaces. It is available at http://www.4ti2.de/. The package FourTiTwo runs it.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/Macaulay2Doc/ov_preface.m2:366:0.