Question

Vim and Unix Questions

1. In a vim window, how do you set a tab to be two spaces wide?

2. In a vim window, how do you, with a simple and single command, move the cursor to 5 lines below (don’t worry about the actual number of lines) and do nothing else?

3. In a vim window, how do you, with a simple and single command, assuming your cursor is at the beginning of the word, delete the current word and do nothing else?

4. In a vim window, how do you, with a simple and single command, remove all highlighting (for example, after you searched for “int” using /int) and do nothing else?

5. In a vim window, how do you, with a simple and single command, paste your buffer (assuming there is something) above the current line and do nothing else?

6. In a vim window, how do you, with a simple and single command, quit from the current file without saving the latest edits you made?

7. In a terminal, from your pa2 directory, without opening your main.c file, how would you print the line containing “argv” with line number and a context of 5 lines around the current line (5 line each before and after the line containing “argv”) and do nothing else?

8. In a terminal, from your pa2 directory, what single-line command (or chain of commands) would print exactly one number that indicates the number of files in the current directory (doesn’t need to count files in subdirectories) and do nothing else?

Answer 1

1.Try setting 'shiftwidth' to the same value as 'tabstop'. Better yet, if you're using a recent enough version of Vim, set 'shiftwidth' to 0 and it will default to whatever 'tabstop' is set to.

2.Try it by moving to the beginning of the first line (by pressing 0) and then move to the beginning of the word test by pressing w three times. Then, press b twice to get back to the word is. You probably noticed that the w key and the b key set the cursor to the beginning of each word.

3. Enter normal mode, go to the start line. Type mk (Mark point with alphabet 'k' or use any other alphabet) Move down (page down or whatever) and move to the end line. y'k willyank/copy all the lines from start to end.

4.THE VIM EDITOR IS ONE OF THE MOST powerful text editors around. It is also ... learn the basic commands that you have to know to use Vim.

5.oupaused typing and did the selection work to tell your editor that you want to do something with this text ... As soon as you open vi, you will be in the command mode. ... If you are interested in knowing more about windows, buffers, tab .

6.You can quit the vim or vi text editor without saving any changes you may have made to the file as follows: First, you need to press Esc key to get out of insert or append mode. Next type colon ( : symbol) You see the cursor at the lower left corner of the screen.