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Manual Reference Pages  -  UI (1)


ui - show information about local users


Return Values
See Also
Configuration File Syntax


ui [-hvVL] [-F separator] [-m separator] [-t format] [-d] [[[options[--[[options[...]]]]]]] [-c filename] [user] | [-f filename] [...]


ui uses loadable modules to display various information about a local user. Multiple usernames or filenames (see -f ) may be specified. If no arguments are given or a username or filename is '-', then arguments are read via standard input.
-d Load the default modules (, and This can be used anywhere in the module list.
-t format
  Specify an alternate time format for modules which have time values. See the strftime(3) manual page for format syntax.
-c filename
  Load a configuration file. May be used more than once. See below for details.
-O filename
  Load a module. The remaining switches are to be options for this module. End options for this module by specifying -- . This option may by used more than once. Due to the way module chaining is implemented, the same module may be loaded more than once.
-x filename
  Like -O but chain output to input. This will only work if the module is chainable. You can specify this option more than once for unlimited chaining.
-X filename
  The same as -x but don’t output info, only pass the strings to for processing.
-F separator
  Alternate character used to separate fields. Standard escape sequences are supported.
-m separator
  Alternate character used to separate multi string values. Standard escape sequences are supported.
-f Get information for the owners of the specified files.
-L If the -f option is specified and the file is a symbolic link, get owner information for the file the link points to and not the link itself.
-v Be verbose when possible. Some modules may limit their display. This should show everything available. This is reset for each loaded module unless specified twice.
-h Display help text. A module must be specified either with the -O command line option or loaded via configuration file -c for a modules help text to be displayed.
-V Version information.


Returns 1 on failure and 0 on success. Note that a modules return value affects this exit status.


PREFIX/lib/userinfo Default location of loadable modules.


The following will load two modules, specify module options and load a configuration file. Module options end when -- is reached.

ui -O -switches -- -O -- -c filename ‘users‘


strftime(3), passwd(5), aliases(5), forward(5), utmp(5), lastlog(5), dlopen(3)


There is no default configuration file that will be loaded so you’ll have to create one and load it with the -c command-line option. Empty lines and everything to the right of a ’#’ are ignored. If you need a ’#’ in your options, escape it with a ’#146;. This file should contain any modules you want loaded and their options separated by one or more whitespace characters on one line per module.

Each module should have a .so filename extension. If a module filename begins with a ~, it will be expanded to your home directory. Some module options may require quoting. Single and double quotes are supported and may also be escaped with a backslash character. Multiple configuration files may be specified and may also be used with the -O command-line option. The order of module loading and output is dependent on the order of the module stack and any module options.

If you want module chaining, put a ’>’ or ’-’ at the beginning of the module name before any ’~’. This is the same as specifying -x or -X on the command line, respectively. The following module, which may also be chained, will be chained to this module.


.An Ben Kibbey Aq
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