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# tpm2
> Run various tpm2-tools via a single unified executable.
> Some subcommands such as `pcrread`, `pcrreset`, etc. have their own usage documentation.
> More information: <https://manned.org/tpm2>.
- Reset the PCR 16 banks:
`tpm2 pcrreset 16`
- Extend the PCR 16 sha1 bank with `f1d2d2f924e986ac86fdf7b36c94bcdf32beec15`:
`tpm2 pcrextend 16:sha1=f1d2d2f924e986ac86fdf7b36c94bcdf32beec15`
- Read the PCR 16 sha1 bank:
`tpm2 pcrread sha1:16`
- Run a subcommand in verbose mode:
`tpm2 {{[-V|--verbose]}} {{subcommand}}`
- Run a subcommand without writing to `stdout`:
`tpm2 {{[-Q|--quiet]}} {{subcommand}}`
- Display help:
`tpm2 {{[-h|--help]}}`