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 Its functionality has been replaced by the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