1758f5028SMatthew G. KnepleySetting option: help (no value) (source: command line) 2*73fdd05bSBarry SmithSee https://petsc.org/release/changes for recent updates. 3*73fdd05bSBarry SmithSee https://petsc.org/release/faq for problems. 4*73fdd05bSBarry SmithSee https://petsc.org/release/manualpages for help. 598fcc90bSVaclav Hapla -version: prints PETSc version 698fcc90bSVaclav Hapla -help intro: prints example description and PETSc version, and exits 798fcc90bSVaclav Hapla -help: prints example description, PETSc version, and available options for used routines 8758f5028SMatthew G. Knepley-help # (source: command line) 9