31. Which GDB command prints the value of a variable in hex.
32. The file /proc/[PID]/cmdline holds the complete command line for the process, unless the process is a
33. User id 0 is
34. What is the output of this progarm?
#include<stdio.h>
#include<unistd.h>
int main()
{
pid_t child;
int a, b;
a = 10;
b = 20;
child = fork();
a = a + b;
if(child > 0){
printf("%d\n",a);
}
return 0;
}
#include<stdio.h>
#include<unistd.h>
int main()
{
pid_t child;
int a, b;
a = 10;
b = 20;
child = fork();
a = a + b;
if(child > 0){
printf("%d\n",a);
}
return 0;
}35. Which of the following is not a valid file type on Linux
36. What is the output of this program?
#! /usr/bin/awk -f
BEGIN {
var1="example"
var2="linux"
print var1" provides "var2" MCQs "
}
#! /usr/bin/awk -f
BEGIN {
var1="example"
var2="linux"
print var1" provides "var2" MCQs "
}37. To redefine a variable, it can be removed from the list of variables by using the command
38. The built-in function tolower()
39. Which compilation step makes sure that all the undefined symbols in the code are resolved.
40. Macros for the makefile can be defined in
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