systemd binfmt.d 5 binfmt.d Configure additional binary formats for executables at boot /etc/binfmt.d/*.conf /run/binfmt.d/*.conf /usr/lib/binfmt.d/*.conf At boot, systemd-binfmt.service8 reads configuration files from the above directories to register in the kernel additional binary formats for executables. Each file contains a list of binfmt_misc kernel binary format rules. Consult the kernel's Kernel Support for miscellaneous Binary Formats (binfmt_misc) documentation file for more information on registration of additional binary formats and how to write rules. Empty lines and lines beginning with ; and # are ignored. Note that this means you may not use those symbols as the delimiter in binary format rules. # Start WINE on Windows executables :DOSWin:M::MZ::/usr/bin/wine: systemd1, systemd-binfmt.service8, systemd-delta1, wine8