51 *Hint:  we will assume you do this later in the tutorial.*  If you adopt

    51 *Hint:  we will assume you do this later in the tutorial.*  If you adopt

    52 that approach, you can get a copy of ``ns-3-allinone`` by typing the 

    52 that approach, you can get a copy of ``ns-3-allinone`` by typing the 

    53 following into your Linux shell (assuming you have installed Mercurial):

    53 following into your Linux shell (assuming you have installed Mercurial):

    54 

    54 

    55 ::

    55 ::

    56   cd

    57   cd

    57   mkdir repos

    58   mkdir repos

    58   cd repos

    59   cd repos

    59   hg clone http://code.nsnam.org/ns-3-allinone

    60   hg clone http://code.nsnam.org/ns-3-allinone

    60 

    61 

   218 have to pick a release, download it and decompress it.

   219 have to pick a release, download it and decompress it.

   219 

   220 

   220 As mentioned above, one practice is to create a directory called ``repos``

   221 As mentioned above, one practice is to create a directory called ``repos``

   221 in one's home directory under which one can keep local Mercurial repositories.

   222 in one's home directory under which one can keep local Mercurial repositories.

   222 One could also keep a ``tarballs`` directory.  *Hint:  the tutorial

   223 One could also keep a ``tarballs`` directory.  *Hint:  the tutorial

   224 placekeeper.*  If you adopt the ``tarballs`` directory approach, you can 

   225 placekeeper.*  If you adopt the ``tarballs`` directory approach, you can 

   225 get a copy of a release by typing the following into your Linux shell 

   226 get a copy of a release by typing the following into your Linux shell 

   226 (substitute the appropriate version numbers, of course):

   227 (substitute the appropriate version numbers, of course):

   227 

   228 

   228 ::

   229 ::