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Full Discussion: $PWD vs `pwd`
Top Forums UNIX for Dummies Questions & Answers $PWD vs `pwd` Post 302590989 by methyl on Wednesday 18th of January 2012 07:15:28 AM
Old 01-18-2012
Look closer at my post. The differences I saw were with these commands:
Code:
pwd -P
/usr/bin/pwd

I'd be interested to know if Ubuntu behaves the same way as unix. My test was with HP-UX but I have seen the effect on other unixes.
 

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PWD(1)								   User Commands							    PWD(1)

NAME
pwd - print name of current/working directory SYNOPSIS
pwd [OPTION]... DESCRIPTION
Print the full filename of the current working directory. -L, --logical use PWD from environment, even if it contains symlinks -P, --physical avoid all symlinks --help display this help and exit --version output version information and exit NOTE: your shell may have its own version of pwd, which usually supersedes the version described here. Please refer to your shell's docu- mentation for details about the options it supports. AUTHOR
Written by Jim Meyering. REPORTING BUGS
Report pwd bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> Report pwd translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
getcwd(3) The full documentation for pwd is maintained as a Texinfo manual. If the info and pwd programs are properly installed at your site, the command info coreutils 'pwd invocation' should give you access to the complete manual. GNU coreutils 8.12.197-032bb September 2011 PWD(1)
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