Q. The header files used in C programs arc usually found in

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Q. The command pwd displays /x/y. After executing the command chmod u -x. which of the following commands will not work?

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Q. A C program should be compiled with -g option (like cc -g x . c) to use

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Q. No shell script can take input from

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Q. The command cc x.c && a.out

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Q. Which of the following shell script's looping features does not recognize the break command?

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Q. Shell script

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Q. The desirable features of a new shell script you write is that

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Q. Which of the following shell commands displays the contents of each of the command line arguments one by one

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Q. The disadvantage of a pipe is that

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Q. The state of signals are

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Q. Which of the following options for the shell command test should be followed by the file descriptor?

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Q. Which of the following displays the exit status of the last executed command?

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Q. Which of the following file names cannot be displayed if la ls* is run?

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Q. Which of the following initiates the sequence of events that ultimately allows a user to login?

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Q. getc (stdin)

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Q. Which of the following is not the work of a C-preprocessor?

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Q. Choose the correct statement.

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