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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 variables that are unset or null. (See the
                 Base  Definitions  volume  of POSIX.1‐2017, Section 8.2, Internationalization Variables 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 Definitions  volume  of  POSIX.1‐2017,
                 Chapter 8, Environment Variables.


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.1‐2017, Chapter 8, Environment Variables


COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard
       for  Information  Technology  --  Portable  Operating  System  Interface  (POSIX),  The  Open  Group Base
       Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of Electrical  and  Electronics
       Engineers, Inc and The Open Group.  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.opengroup.org/unix/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.kernel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group                                   2017                                          TYPE(1POSIX)