Text Editors

Console Based Text Editors:

1.    Emacs

2.    Nano

3.    Vim/vi

Graphical (GUI) Editors:

1.    Gedit

2.    Gvim

3.    Sublime (have to install separately)

Now we are going to discuss about vi/vim editor.

Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the VI editor distributed with most UNIX systems. It is a tool, the use of which you must be learned. Program is written by Bram Moolenaar et al.

Usage of vi/vim, it has three modes

1.    Command mode

2.    Insert Mode

3.    Ex-mode

Command mode: this mode is the default mode following things we can do

Yank/copy (yy)         -           copying the single line

(nyy)   n number of lines at a time you can copy.

p                                  -           Paste a content bellow the cursor

P                                 -           Paste content above the cursor

dd                                -           Delete a single line

ndd  n number of line delete yet a time

x                                  -           Deleting a single character

dw                               -           Deleting a single word

.                      -           redo

u                      -           Undo

J                      -           Joining the line

r                      -           Replace the character

Arrow Keys

h                      -           Left

j                       -           Down

k                      -           Up

l                       -           Right

Ctrl+d            -           Scroll Down

Ctrl+u            -           Scroll UP

Insert Mode: This mode is used to insert the text into the file

i           -           Inserting the content before the cursor position

I          -           it will insert the character starting of the line

a          -           it will insert the character of the cursor append

A         -           It will append the character from end of the line

O         -           It will insert a new line above the cursor

o          -           It will insert a new line below the cursor

s          -           Substitute the stream

EX-Mode:   Esc is used to change the mode. Press Escape key to enter EX-Mode

:w        -           save the modifications

:q         -           quit

:wq      -           save & quit

:w!       -           save forcefully

:q!        -           Quit forcefully

:set nu            -           setting the line numbers

:set nonu       -           Remove line numbers

:<number>    -           it will goes to particular line

:%s/find string name/replace string/g     - to replace the string group of lines

:r         -           reading the another file from here

:!<command>           -           command will execute from here

:r !date           -           output will save in current file