creating and appending files in ubuntu

How to create files in ubuntu, and view the content of files using editors

there are different types of editors in ubuntu, you can use nano, vi, vim these editors to view the content of the file

to install vim do like this

#apt-get install vim

then this will be installed

1. to create an empty file
   #touch sunny
   here an empty file will be created with 0 bytes
2. to create a file with some matter in it
   #cat > mom
   hi mom how are you
   then ctrl+d to save
3. to view the connect of the file
   # cat mom
   hi mom how are you
4. to append the matter in already present file
   # cat >> mom
   hi mom how are you
   hi mom this is your son
   ctrl+d to save
5. to view the content you can use these
   #vim mom
   after this to save w!
   To save and quit wq
   To save and quit forcefully wq!
   To quit forcefully q!
   and other like this
   #vi mom
   and also can use
   #nano mom
   here click x to save
   and Y for yes