Apple Portables: How to determine that your portable has a Multi-Touch trackpad
Many Apple portable computers have Multi-Touch trackpads that use gestures to perform tasks such as zooming, rotating images, and even switching applications. These gestures may involve two, three, or four fingers. Available gestures vary based on the Apple portable and operating system.
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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
