W.A.S.S to perform the following operations depending upon the menu choice:

                              i.    Display current directory.

                            ii.    List directory contents.

                           iii.    Make a directory.

                           iv.    Change the directory.

                            v.    Rename a file.

                           vi.    Remove the file.

                         vii.    Edit a file.

Program

#W.A.S.S. to perform the operation like display current directory,make directory,change #directory, rename file, remove file,edit file

echo "a)Display current directory:"

echo "b)List directory contents:"

echo "c)Make a directory:"

echo "d)Change the directory:"

echo "e)Rename a file:"

echo "f)Remove a file:"

echo "g)Edit a file:"

echo -e "Enter your choice:\c"

read c

case $c in

a)echo -e "A present working directory is: \c"

   pwd

   ;;

b) ls

   ;;

c )echo -e "Enter a name of dir: \c"

    read dnm

    mkdir "$dnm"

    ;;

d)echo -e "Enter name of dir to change in: \c"

   read dnm

   cd "$dnm"

   ;;

e)echo -e "Enter name of dir to rename: \c"

   read dnm

   echo -e "Enter New name of dir: \c"

   read ndnm

   mv "$dnm" "$ndnm"

   ;;

f)echo -e "Enter name of file to remove; \c"

  read dnm

  rmdir "$dnm"

  ;;

g)echo -e "Enter name of file to edit: \c"

  read dnm

  vi "$dnm"

  ;;

esac

Output

a)Display current directory:

b)List directory contents:

c)Make a directory:

d)Change the directory:

e)Rename a file:

f)Remove a file:

g)Edit a file:

Enter your choice:a

A present working directory is: /root

Enter your choice:e

Enter name of dir to rename: temp.sh

Enter New name of dir: tempy.sh

Enter your choice:f