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Image of Modern Operating Systems (3rd Edition)
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UEFI Shell Utility to Display TPM TrEE Capabilities

In the post, I present a small UEFI utility for examining TrEE Capabilities from the UEFI shell. TrEE is an EFI protocol which supports a subset of the TCG TPM 2.0 library specification.

Zero Padding Brace Expansions in the Korn Shell

Both bash and zsh shells support leading zeros in ranges: $ echo {1..10} 1 2 3 4 5 6 7 8 9 10 $ echo {01..10} 01 02 03 04 05 06 07 08 09 10 $ echo {001..010} 001 002 003 004 005 006 007 008 009 010 $ From the bash manpage section on brace expansion: Supplied integers may be prefixed with 0 to force each term to have the same width. When either x or y begins with a zero, the shell attempts to force all generated terms to contain the same number of digits, zero-padding where