What Is The Output Of This Program? #!/bin/bash Echo "Which File Do You Want To Check" Read X Until [ E $x ] Do Echo "The File Does Not Exist. Do You Want To Create? Y/n" Read A If [ $a = Y ]; Then Touch $x Echo "Your File Has Been Created Successfully." Fi Done Echo "The File Is Present In This Directory" Exit 0 A) It Checks The Existance Of Your Entered File In The Present Working Directory B) It Creates The File If File Does Not Exists C) Program Runs Untill You Create The File D) All Of The Mentioned

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⟩ What is the output of this program? #!/bin/bash echo "Which file do you want to check" read x until [ -e $x ] do echo "The file does not exist. Do you want to create? y/n" read a if [ $a = y ]; then touch $x echo "Your file has been created successfully." fi done echo "The file is present in this directory" exit 0 a) it checks the existance of your entered file in the present working directory b) it creates the file if file does not exists c) program runs untill you create the file d) all of the mentioned

d) all of the mentioned

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More Questions for you:

In linux, a device driver can work without the
a) major number
b) minor number
c) device file name
d) none of the mentioned

In we use a driver for N number of files, then we have to create ____ device files.
a) N
b) 1
c) N-1
d) none of the mentioned

In linux kernel 2.1, the minor numbers were used to
a) represent the sub-functionalitites of the driver
b) identify the driver
c) represent the device files
d) none of the mentioned

The minor number range should be
a) 0 to 15
b) 0 to 63
c) 0 to 255
d) none of the mentioned

Which one of the following is not true?
a) dynamic allocation of major numbers is not possible
b) major number can not be shared among drivers
c) both (a) and (b)
d) none of the mentioned

What is the output of this program?

 #include<stdio.h>
 #include<stdlib.h>
 #include<string.h>     
 
 int main()
 {
  int ptr;
  ptr = (int)malloc(sizeof(int)*10);
  return 0;
 }
a) syntax error
b) segmentaion fault
c) run time error
d) none of the mentioned

What is the output of this program?

 #include<stdio.h>
 #inlcude<stdlib.h>
 
 int main()
 {
  int *ptr;
  double *ptr;
  printf("%dn",sizeof(ptr));
  return 0;	 
 }
a) 4
b) 8
c) the compiler will give the error
d) segmentaion fault

In this program the two printed memory locations has the difference of ___ bytes.

 #include<stdio.h>
 #include<stdlib.h>
 
 int main()
 {
  int *ptr;
  ptr = (int*)malloc(sizeof(int)*2);
  printf("%pn",ptr);
  printf("%pn",ptr+1);
  return 0;
 }
a) 1
b) 4
c) can not be determined
d) none of the mentioned

Which one of the following in true about this program?

 #include<stdio.h>
 #include<stdlib.h>
 #include<string.h>     
 
 int main()
 {
  char *ptr;
  printf("%pn",ptr);
  ptr = (char *)malloc(sizeof(char));
  printf("%pn",ptr);
  return 0;
 }
a) this program will give segmentation fault
b) this program will print two same values
c) this program has some syntax error
d) none of the mentioned

What is the output of this program?

 #include<stdio.h>
 #include<stdlib.h>
 #include<string.h>     
 
 int main()
 {
  char *ptr;
  ptr = (char*)malloc(sizeof(char)*11);
  strcpy(ptr,"google");
  printf("%dn",*ptr);
  return 0;
 }
a) s
b) google
c) 115
d) segmentation fault

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