Q. The main reasons for the success of pipes are

View solution

Q. Which of the following are not filter programs?

View solution

Q. Redirection in pipes can be achieved by using

View solution

Q. Choose the correct statement.

View solution

Q. The command who sort - file1 > file2

View solution

Q. If the command cat x is executed after successfully executing the command time sort filename > x, then

View solution

Q. If one exports a variable

View solution

Q. Profilers are

View solution

Q. The shell command :

View solution

Q. Which of the following tools can be used to keep track of evolving versions of a file

View solution

Q. lint can analyze the named source code for

View solution

Q. Which of the following remarks about lex are true?

View solution

Q. Which of the following programs are not interactive?

View solution

Q. lex can be used for

View solution

Q. The number of errors in the following shell script:

echo How are you?
read $answer

is

View solution

Q. The read in the previous question is a

View solution

Q. If lex .1 is a lex code then

View solution

Q. The following program:

main()
{
close(1);
print("How R U?");
}

View solution

Q. Choose the correct remarks.

View solution

Q. UNIX was developed by

View solution