unix programmming

Anonymous
timer Asked: Nov 6th, 2016

Question description

you have completed the code for the automation of the required tasks; the final step is to submit the script to the team for use. After you have incorporated any appropriate feedback into your project, one last requirement needs to be addressed.

Add to your Perl script the ability to kill a user’s processes (from shell script 3). The requirements for this task include the following:

  • Add this option to the menu.
  • Add the code/process into a subroutine.
  • Use an array to store the list of processes that need to be reviewed and killed.
  • Process the kill using the array.

Next, you have been asked by different users to explain how to compile a program in a UNIX environment.

Finally, take the following C program (save it as "power2.c"), and create it as a file in your UNIX environment:

/* power2.c -- Print out powers of 2: 1, 2, 4, 8, .. up to 2^N */

#include <stdio.h>
#define N 16

int main(void) {
int n; /* The current exponent */
int val = 1; /* The current power of 2 */
printf("/t n /t 2^n/n");
printf("/t================/n");
for (n=0; n<=N; n++) {
printf("/t%3d /t %6d/n", n, val);
val = 2*val;
}
return 0;
}
/* It prints out :
n 2^n
===============
0 1
1 2
2 4
3 8
4 16
5 32
6 64
7 128
8 256
9 512
10 1024
11 2048
12 4096
13 8196
14 16384
15 32768
16 65536
*/

(College of Science and Technology, n.d.)

Describe the behavior when you compile the program, with no options. What is the command that you would use to compile the code and create the executable "power2"?

Finally, compare and contrast the usage of a compiled and interpreted program.

  • Add the final Perl program along with the discussions about compiling a program and compiled versus interpreted to the section in your template "UNIX Tools."
  • Update the TOC to reflect the new section.
  • Name the document yourname_CS345__Final.doc.
  • Submit the document for grading.
  • Submit your database file to the Submission area.

Reference

College of Science and Technology. (n.d.). Retrieved from http://www.cis.temple.edu/~ingargio/cis71/code/pow...

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