Computer Science - Linux - Discussion

x delete single character under the cursor.
Nx delete N characters, starting with character under cursor
dw delete the single word beginning with a character under the cursor
dNw delete N words beginning with character under cursor;

e.g., d5w deletes 5 words
D delete the remainder of the line, starting with current cursor position
* dd delete entire current line
Ndd or dNd delete N lines, beginning with the current line;
e.g., 5dd deletes 5 lines

Can any one tell me the vi editor in brief?

vi editor is one of editor in linux environment. vim is its newer virsion. so we can use vi or vim as an editor.

vi is the text editor, its a screen editor which shows how much of the file as it can fit on the screen.

Please, can anyone tell me, hot to use this command?

When should we use y?

Please someone can tell me how to use the vi or vim editor command?

Why X is used? Can anyone justify this please?

vi command is used to open and create a file.

on the command prompt, by typing vi filename.c we can either create a file or open.

Anyone tell me that why we can use X for a single vi editor character?