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TYPE(1P)		   POSIX Programmer's Manual		      TYPE(1P)

PROLOG
       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the	 corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.

NAME
       type — write a description of command type

SYNOPSIS
       type name...

DESCRIPTION
       The type utility shall indicate how each argument would be  interpreted
       if used as a command name.

OPTIONS
       None.

OPERANDS
       The following operand shall be supported:

       name	 A name to be interpreted.

STDIN
       Not used.

INPUT FILES
       None.

ENVIRONMENT VARIABLES
       The following environment variables shall affect the execution of type:

       LANG	 Provide  a  default  value for the internationalization vari‐
		 ables that are unset or null. (See the Base Definitions  vol‐
		 ume  of POSIX.1‐2008, Section 8.2, Internationalization Vari‐
		 ables for the precedence  of  internationalization  variables
		 used to determine the values of locale categories.)

       LC_ALL	 If  set  to  a non-empty string value, override the values of
		 all the other internationalization variables.

       LC_CTYPE	 Determine the locale for the interpretation of	 sequences  of
		 bytes of text data as characters (for example, single-byte as
		 opposed to multi-byte characters in arguments).

       LC_MESSAGES
		 Determine the locale that should be used to affect the format
		 and  contents	of  diagnostic	messages  written  to standard
		 error.

       NLSPATH	 Determine the location of message catalogs for the processing
		 of LC_MESSAGES.

       PATH	 Determine the location of name, as described in the Base Def‐
		 initions volume of POSIX.1‐2008, Chapter 8, Environment Vari‐
		 ables.

ASYNCHRONOUS EVENTS
       Default.

STDOUT
       The  standard output of type contains information about each operand in
       an unspecified format. The information  provided	 typically  identifies
       the operand as a shell built-in, function, alias, or keyword, and where
       applicable, may display the operand's pathname.

STDERR
       The standard error shall be used only for diagnostic messages.

OUTPUT FILES
       None.

EXTENDED DESCRIPTION
       None.

EXIT STATUS
       The following exit values shall be returned:

	0    Successful completion.

       >0    An error occurred.

CONSEQUENCES OF ERRORS
       Default.

       The following sections are informative.

APPLICATION USAGE
       Since type must be aware of the contents of the current shell execution
       environment  (such  as  the lists of commands, functions, and built-ins
       processed by hash), it is always provided as a shell regular  built-in.
       If  it  is  called in a separate utility execution environment, such as
       one of the following:

	   nohup type writer
	   find . −type f | xargs type

       it might not produce accurate results.

EXAMPLES
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       command, hash

       The Base Definitions volume of  POSIX.1‐2008,  Chapter  8,  Environment
       Variables

COPYRIGHT
       Portions	 of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       --  Portable  Operating	System	Interface (POSIX), The Open Group Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal  and	 Electronics  Engineers,  Inc  and  The	 Open Group.  (This is
       POSIX.1-2008 with the 2013 Technical Corrigendum	 1  applied.)  In  the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard
       is  the	referee document. The original Standard can be obtained online
       at http://www.unix.org/online.html .

       Any typographical or formatting errors that appear  in  this  page  are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors,	 see  https://www.ker‐
       nel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group		     2013			      TYPE(1P)
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