1*5b625181STim SchumacherWhat: /sys/firmware/efi/vars 2*5b625181STim SchumacherDate: April 2004, removed March 2023 3*5b625181STim SchumacherDescription: 4*5b625181STim Schumacher This directory exposed interfaces for interacting with 5*5b625181STim Schumacher EFI variables. For more information on EFI variables, 6*5b625181STim Schumacher see 'Variable Services' in the UEFI specification 7*5b625181STim Schumacher (section 7.2 in specification version 2.3 Errata D). 8*5b625181STim Schumacher 9*5b625181STim Schumacher The 'efivars' sysfs interface was removed in March of 2023, 10*5b625181STim Schumacher after being considered deprecated no later than September 11*5b625181STim Schumacher of 2020. Its functionality has been replaced by the 12*5b625181STim Schumacher 'efivarfs' filesystem. 13