Wednesday, April 19, 2017

interface

hi 
 yesterday i learned  new subjects from class....
 so i share with you  what i understand ....😃😃😃😃


💥Interface
     
           interface is a two separate components of a computer system exchange informations.


💥User interface means:

            The data is transferred between the user & the computer system.

💥Two types interface

      💣command line interface (for typing commands directly to computer's  operating system.    eg: Unix Ms.Dos )
           
                          😺    command Prompt (this interface available in windows operating system )

                           😺   terminal  (this available in Ubuntu)                     

      💣graphical user interface(this is a way to communicate what we want a computer applications. using graphical symbol eg icons, arrows   )

                                        ☺GUI easier to learn & use. because commands do not need to memorized .    (eg browsers Microsoft program )



This is example for diffident between CLI and GUI






👸    Following few commands we can use to Terminal ......

           💧 ls                    list the files in our current directory

           💧 cd                  change directory
           💧 ~                    our home directory

           💧pwd               path working directory
           💧 cd ..              direct up one directory

           💧 mkdir           create folder

           💧 cp                 copy the file

           💧 mv                move a file to a different locations or will rename the file

           💧 rm                 to remove

           💧 rmdir            delete folder

           💧 rm-r               all directory delete

           💧 free               displays amount of free & use memory

           💧 touch           make text files

           💧 tree               display views of folders

           💧find                search

           💧 ed, vi            text editor

           💧 sudo apt-get  install       install the package
           💧 sudo apt-get purge        install the packages
           💧 ↑ or ctrl+p                          go to previous commands
           💧 ↓ or  ctrl+n                         go to next commands

       






















 














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