【转帖】怎么查看操作系统是bios启动方式还是uefi启动方式?.

参考自:

https://access.redhat.com/solutions/2147971

环境

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

问题

  • How to identify if the system is installed with UEFI or with Legacy only Boot?

决议

  • Run the command below to find out if the system is BIOS boot or UEFI boot.
#[ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
  • For BIOS Boot, it will show as follows.
#[ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
BIOS

  • For UEFI boot, it will show
#[ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
UEFI

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