Efi Shell Version 260 512 2021 Upd <Cross-Platform>

EFI Shell Version 2.60.512 (2021): A Comprehensive Overview

7. Environment Variables & Settings

  • set — list variables.
  • set — set variable.
  • unset — remove variable.
  • reset — reset some environment state.
  • echo %VAR% — print variable.

2. Scripting Support

  • Batch-like .nsh scripts
  • Environment variables (%var%)
  • Conditional execution (if then else endif loops and for loops)

14. Version-Specific Notes — "260_512_2021"

Assumed changes in this build (practical guidance only): efi shell version 260 512 2021

Disable Secure Boot: If you are trying to run a custom shell or legacy OS, you may need to disable Secure Boot temporarily. Save and Exit: Press F10 to save your changes and restart. EFI Shell Version 2

  • Upon startup, press F11, F12, or F8 (depending on the manufacturer).
  • Select "UEFI: Built-in EFI Shell" from the list.
  • Reboot into shell on that media; startup.nsh executes.