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Top Forums UNIX for Dummies Questions & Answers question Post 50890 by oombera on Tuesday 4th of May 2004 07:07:37 PM

05-04-2004

Registered User

Quote:

Originally posted by wannabe_guru
hi guys,

isnt cd -
supposed to go back to the previous line??

Not that I'm aware of ... by "last line" you mean the last command that was entered? If you mean the previous directory, then it's cd ..

Quote:

another question, im looking at this book that has these exercises but let me show u what happens

(swindon)34% cd ~/IN2011
(swindon)35% cd
(swindon)36% pwd
/u3.bath/s19/cv896
(swindon)37% pwd
/u3.bath/s19/cv896
(swindon)38%

after typing cd ~/IN2011 it asked to type cd followed by pwd and something is supposed to change

but i dont get whats happening in the replies

The tilde changes to your home directory, so the first command changes to the IN2011 directory inside your home directory.

The cd command by itself switches to your home directory since you're not supplying it with any parameters.

And pwd just displays the current directory you're in, which appears to be /u3.bath/s19/cv896 (your home directory)

What else does your book say? What's supposed to change?

oombera

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LEARN ABOUT DEBIAN

pwd

pwd(3tcl)						       Tcl Built-In Commands							 pwd(3tcl)

__________________________________________________________________________________________________________________________________________________

NAME

       pwd - Return the absolute path of the current working directory

SYNOPSIS

       pwd
_________________________________________________________________

DESCRIPTION

       Returns the absolute path name of the current working directory.

EXAMPLE

       Sometimes it is useful to change to a known directory when running some external command using exec, but it is important to keep the appli-
       cation usually running in the directory that it was started in (unless the user specifies otherwise) since that minimizes  user	confusion.
       The way to do this is to save the current directory while the external command is being run:
	      set tarFile [file normalize somefile.tar]
	      set savedDir [pwd]
	      cd /tmp
	      exec tar -xf $tarFile
	      cd $savedDir

SEE ALSO

       file(3tcl), cd(3tcl), glob(3tcl), filename(3tcl)

KEYWORDS

       working directory

Tcl																	 pwd(3tcl)

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