Displaying usage information and man pages
To display a summary of usage information for any command-line program, type the command and the --help or -h option. For example, to see usage information for the adinfo command, type:
adinfo --help
The usage information includes a list of options and arguments, and a brief description of each option. For example, if you specify adinfo -h on the command line, the command displays the command-line syntax and a list of the valid options you can use when you execute adinfo commands, similar to the following:
usage: adinfo [options] options: -u, --user user[@domain] user name, default is administrator -p, --password pw user password, prompts if absent -s, --server ds domain server for leave operations -Z, --zoneserver ds domain server for zone operations useful if zone is in another domain -C, --noconf do not restore PAM or NSS config -G, --nogp do not restore Group Policy -f, --force force local leave, no network activity -v, --version print version information -V, --verbose print debug information for each operation -r, --remove remove computer account from Active Directory -R, --restore restore system configuration files without leaving -t, --reset using the machine credentials, reset computer to pre-created/unjoined state -h, --help print this help information and exit
For more complete information about any command, you can review the information in the command’s manual (man) page. For example, to see the manual page for the adinfo command, type:
man adinfo