Debian update-alternatives version 1.18.4. This is free software; see the GNU General Public License version 2 or later for copying conditions. There is NO warranty.

Usage: update-alternatives [<option> ...] <command> Commands: --install <link> <name> <path> <priority> [--slave <link> <name> <path>] ... add a group of alternatives to the system. --remove <name> <path> remove <path> from the <name> group alternative. --remove-all <name> remove <name> group from the alternatives system. --auto <name> switch the master link <name> to automatic mode. --display <name> display information about the <name> group. --query <name> machine parseable version of --display <name>. --list <name> display all targets of the <name> group. --get-selections list master alternative names and their status. --set-selections read alternative status from standard input. --config <name> show alternatives for the <name> group and ask the user to select which one to use. --set <name> <path> set <path> as alternative for <name>. --all call --config on all alternatives. <link> is the symlink pointing to /etc/alternatives/<name>. (e.g. /usr/bin/pager) <name> is the master name for this link group. (e.g. pager) <path> is the location of one of the alternative target files. (e.g. /usr/bin/less) <priority> is an integer; options with higher numbers have higher priority in automatic mode. Options: --altdir <directory> change the alternatives directory. --admindir <directory> change the administrative directory. --log <file> change the log file. --force allow replacing files with alternative links. --skip-auto skip prompt for alternatives correctly configured in automatic mode (relevant for --config only) --verbose verbose operation, more output. --quiet quiet operation, minimal output. --help show this help message. --version show the version.