.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.49.3. .TH GRUB-EMU "1" "May 2024" "GRUB 2.06" "User Commands" .SH NAME grub-emu \- GRUB emulator .SH SYNOPSIS .B grub-emu [\fI\,OPTION\/\fR...] .SH DESCRIPTION GRUB emulator. .TP \fB\-d\fR, \fB\-\-directory\fR=\fI\,DIR\/\fR use GRUB files in the directory DIR [default=/boot/grub2] .TP \fB\-H\fR, \fB\-\-hold\fR[=\fI\,SECS\/\fR] wait until a debugger will attach .TP \fB\-\-memdisk\fR=\fI\,FILE\/\fR use FILE as memdisk .TP \fB\-m\fR, \fB\-\-device\-map\fR=\fI\,FILE\/\fR use FILE as the device map [default=/boot/grub2/device.map] .TP \fB\-r\fR, \fB\-\-root\fR=\fI\,DEVICE_NAME\/\fR Set root device. .TP \fB\-v\fR, \fB\-\-verbose\fR print verbose messages. .TP \fB\-W\fR, \fB\-\-switch\-root\fR use switch\-root to only switch root filesystem without restarting the kernel. .TP \fB\-X\fR, \fB\-\-kexec\fR use kexec to boot Linux kernels via systemctl (pass twice to enable dangerous fallback to non\-systemctl). .TP \-?, \fB\-\-help\fR give this help list .TP \fB\-\-usage\fR give a short usage message .TP \fB\-V\fR, \fB\-\-version\fR print program version .PP Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. .SH "REPORTING BUGS" Report bugs to . .SH "SEE ALSO" If you are trying to install GRUB, then you should use .BR grub-install (8) rather than this program. .PP The full documentation for .B grub-emu is maintained as a Texinfo manual. If the .B info and .B grub-emu programs are properly installed at your site, the command .IP .B info grub-emu .PP should give you access to the complete manual.