info pwd

File:,  Node: pwd invocation,  Next: stty invocation,  Up: Working context
19.1 `pwd': Print working directory
`pwd' prints the name of the current directory.  Synopsis:
     pwd [OPTION]...
   The program accepts the following options.  Also see *note Common
     If the contents of the environment variable `PWD' provide an
     absolute name of the current directory with no `.' or `..'
     components, but possibly with symbolic links, then output those
     contents.  Otherwise, fall back to default `-P' handling.
     Print a fully resolved name for the current directory.  That is,
     all components of the printed name will be actual directory
     names--none will be symbolic links.
   If `-L' and `-P' are both given, the last one takes precedence.  If
neither option is given, then this implementation uses `-P' as the
default unless the `POSIXLY_CORRECT' environment variable is set.
   Due to shell aliases and built-in `pwd' functions, using an
unadorned `pwd' interactively or in a script may get you different
functionality than that described here.  Invoke it via `env' (i.e.,
`env pwd ...') to avoid interference from the shell.
   An exit status of zero indicates success, and a nonzero value
indicates failure.



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