Explaining behaviour of sudo bash "$0" "$@"; Post: 303025418

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bioutil

bioutil(1)						    BSD General Commands Manual 						bioutil(1)

NAME

     bioutil -- tool for viewing/changing Touch ID configuration and listing/deleting enrolled fingerprints

SYNOPSIS

     bioutil {-r | -w [-f { 0 | 1 }] [-u { 0 | 1 }] [-a { 0 | 1 }]} | [-c] | [-p] | [-d <uid>] [-s]

DESCRIPTION

     bioutil provides the possibility of viewing and changing Touch ID configuration, both system-wide and user-specific. It also allows listing
     and deleting enrolled fingerprints.

OPTIONS

     -r, --read
	      Read Touch ID configuration.

     -w, --write
	      Write Touch ID configuration.

     -s, --system
	      Indicates that system-wide configuration is to be read/written (user-specific configuration is the default) or that a system-wide
	      list/delete operation is to be performed.

     -f, --function
	      Enables (1) or disables (0) overall Touch ID functionality (system-wide configuration only).

     -u, --unlock
	      Enables (1) or disables (0) Touch ID for unlock.

     -a, --applepay
	      Enables (1) or disables (0) Touch ID for ApplePay (user-specific configuration only).

     -c, --count
	      Provides number of enrolled fingerprints of the current user or of all users (when run with -s as an administrator)

     -p, --purge
	      Deletes all enrolled fingerprints of the current user or of all users (when run with -s as an administrator)

     -d, --delete
	      Deletes all enrolled fingerprints of the user with given user ID (must be run as an administrator)

EXAMPLES

     bioutil -r
	      Reads Touch ID configuration for the current user.

     bioutil -r -s
	      Reads system-wide Touch ID configuration.

     bioutil -w -u 1
	      Enables Touch ID for unlock for the current user.

     sudo bioutil -w -s -u 0
	      Disables Touch ID for unlock for the whole system.

     bioutil -c
	      Prints the number of enrolled fingerprints of the current user.

     bioutil -p
	      Deletes all enrolled fingerprints of the current user.

     sudo bioutil -c -s
	      Prints numbers of enrolled fingerprints of all enrolled users.

     sudo bioutil -p -s
	      Deletes all fingerprints from the system.

     sudo bioutil -s -d 501
	      Deletes all fingerprints of user 501.

Darwin								   May 31, 2019 							    Darwin