VIFS(8) System Manager's Manual VIFS(8) NAME vifs – safely edit fstab SYNOPSIS vifs DESCRIPTION The vifs utility simply locks the fstab file before invoking an editor on it. This is important to facilitate the modification of fstab by automated tools and system management software. Always use vifs to edit fstab, instead of invoking an editor directly. SEE ALSO vi(1), fstab(5) HISTORY The vifs utility originates from Mac OSX 10.5. macOS 15.2 November 18, 2005 macOS 15.2