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                          COMMAND                       

GO

 du

 SYNTAX

       du  [-as]  [dirname]

 FUNCTION

       Gives the number of blocks contained

       in all the files in the named directory

       as well as in all its subdirectories.

 OPTIONS

           -a  -  causes an entry to be generated for each file

           -s  -  only the grand total for each specified name is given

                             /

                       ~~~~~~~~~~~~

                      /      |      \

                     /       |       \

                    /        |        \

                  bin       etc       usr

                 /  \      / | \     / | \

                                    b  a c

                                     / | \

                                   /   |   \

                                      proj

   On the file system tree, the disk usage at

   the level /usr would be represented as:

     20     /usr/a/proj

     35     /usr/a

     17     /usr/b

             :

    286     /usr

  Let us use the du command.  Please type

  du to determine the disk usage for the

  current directory, and all of its subdirectories.

 $PROMPT$

 That is correct!

 You've got it on the 2nd try.

 Good, you understand the concept.

 Please type du

 Please type du

 I guess I must type this for you:

 $PROMPT$

FORGET1

 $ du                                   

 Observe the result on the terminal!

DOSJMP

    993         ./quest

    38          ./demo/861

    38          ./demo/862

    42          ./demo/863

    43          ./demo/admin

    38          ./demo/C

    270         ./demo

    987         ./admin

    1678        ./863

    1084        ./862

    814         ./861

    1009        ./C

    327         ./BIN

    285         ./startup

    66          ./src/861

    12          ./src/862

    38          ./src/admin

    117         ./src

    5694        .