<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div> Change the value of PetscHelpPrintf() to do nothing before PetscInitialize() and then change it PetscHelpPrintfDefault() just around your options.<div class=""><br class=""></div><div class=""> I have fixed up the manual page in <a href="https://gitlab.com/petsc/petsc/-/merge_requests/3553" class="">https://gitlab.com/petsc/petsc/-/merge_requests/3553</a></div><div class=""><br class=""></div><div class=""> But are you sure you want to do this? Even -ksp_monitor etc will no longer produce help messages which users may want.</div><div class=""><br class=""></div><div class=""> Barry</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jan 11, 2021, at 4:52 PM, Abhyankar, Shrirang G via petsc-users <<a href="mailto:petsc-users@mcs.anl.gov" class="">petsc-users@mcs.anl.gov</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0in; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: "Times New Roman", serif;" class="">I have an application where I set a bunch of application-specific options in PetscOptionsBegin/End and it uses the default PetscOptions database. When running the application with “-help” option all the application and PETSc options get displayed. Is there a way to suppress displaying PETSc options, but only display the application options.<o:p class=""></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt; font-family: -webkit-standard;" class="">Thanks,<o:p class=""></o:p></span></div><div style="margin: 0in; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt; font-family: -webkit-standard;" class="">Shri</span></div></div></div></blockquote></div><br class=""></div></body></html>