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Full Discussion: Creating a PATH variable
Top Forums Shell Programming and Scripting Creating a PATH variable Post 303027875 by joeyg on Thursday 27th of December 2018 08:29:43 AM
Old 12-27-2018
Or, think of the PATH as your favorites. An ordered list of places to look for programs.
In your example, there were five BIN directories to search for any referenced programs.
And the BIN directories are where executable programs are typically stored.
This User Gave Thanks to joeyg For This Post:
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LEARN ABOUT OSF1

whereis

whereis(1)						      General Commands Manual							whereis(1)

NAME

       whereis - Locates files for programs

SYNOPSIS

       whereis [-bms] [-u] [-BMS directory... -f] program...

       The whereis command locates source, binary, and/or reference page files for the specified program program.

OPTIONS

       The -b, -m, and -s options can be used in combination to restrict the search.  Searches for an executable program.  Searches for the refer-
       ence page for a program.  Searches for the sources of a program.

       Use the -B, -M, and -S options to change or limit the places whereis searches.  Specifies the binary directories to search.  Specifies  the
       reference page directories to search.  Specifies the source directories to search.

       The  other options that can be used with whereis are as follows: Terminates the last directory list and signals the start of program names.
       Used with other options to indicate when there is no file for program in the default or specified directory or directories (source, binary,
       or reference page).

DESCRIPTION

       The  whereis  program  locates source, binary, and reference pages for the specified programs.  When looking for a match, the program names
       are stripped of leading pathname components and any trailing extensions of the form (for example, s.  resulting from the use of the  Source
       Code Control System see sccs(1), are also handled.

       The default directories searched by the whereis command are as follows: /etc /etc/nls /sbin /usr/bin /usr/lbin /usr/lbin/spell /usr/ccs/lib
       /usr/lib /usr/local /usr/hosts /usr/sbin

EXAMPLES

       To find files matching cat in the default source, binary, and reference directories, enter: whereis cat To search for reference	pages  for
       app13  in the directory /usr/local/man, enter: whereis -M /usr/local/man -f -f appl3 To find the programs in /usr/bin that do not have ref-
       erence pages in /usr/share/man/man1 with source files in /usr/src/cmd, enter: whereis -u -M /usr/share/man/man1 
	       -S /usr/src/cmd -f /usr/bin/* To find which files in the current directory either have no reference pages in the default  reference
       directories or have more than one, enter: whereis -m -u *

FILES

       Default binary directories.  Default binary directories.  Default reference directories.  Default source directories.

SEE ALSO

       Commands:  apropos(1), find(1), man(1), which(1), catman(8)

																	whereis(1)
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