Chapter :- 7 Vim Editor and Basic Scripting
Summary
A shell script can be defined as series of commands written in a plain text file. The shell scripts are commonly used by the users to perform routine individual tasks and system administration.
Working with Vim Editor We have learned how to create a file using the cat command. The cat command although it allows us to create a file is not a good option to use when creating a shell script.
The Vim (Vi Improved) is a text editor written by Bram Moolenaar and first released publicly in 1991.
The Vim editor functions in three different modes namely, a command mode, an insert mode and a last line mode.
We first need to issue an insert (i), append (a), or open (o) command to insert the text in the file.
Press “i' and the editor will now be in the insert mode. Now type the contents as given in the box below.
Choose the most appropriate option from those given below:
(1) In how many modes Vim editor works?
(a) One
(b) Two
(c) Three
(d) Four
(2) Which of the following statement is true for Gedit?
(a) It is a Command line editor.
(b) It is a Graphical editor.
(c) It is not an editor.
(d) It is available with KDE Desktop environment.
(3) :wq in Vim editor is used for which of the following activities?
(a) To save file and remain in editing mode
(b) To save file and quit editing mode
(c) To quite editing mode without saving changes made in the file
(d) All of the above
(4) Which of following keys is not used to go into insert mode of the Vim editor?
(a) o
(b) i
(c) a
(d) cw
(5) Which of the following keys are used to delete a line?
(a) ce
(b) ge
(c) dd
(d) d$
(6) Which of the following statements is used to search for phrase in the file?
(a) set is
(b) :help cmd
(c) :!cmd
(d) /phrase<ENTER>
(8) Which of the following character is used for commenting a line in a shell script?
(a) *
(b) %
(c) $
(d) #
(9) Which of the following symbol instructs a shell script to extract the value of a
variable?
(a) *
(b) %
(c) $
(d) #