1. The file /proc/[PID]/limits displays the . . . . . . . . for each of the process's resource limits.
2. What is the output of this program?
#include<stdio.h>
int main()
{
if (mkfifo("/tmp/test_fifo",0666) != 0)
perror("mkfifo");
if (mkfifo("/tmp/test_fifo",0666) != 0)
perror("mkfifo");
return 0;
}
#include<stdio.h>
int main()
{
if (mkfifo("/tmp/test_fifo",0666) != 0)
perror("mkfifo");
if (mkfifo("/tmp/test_fifo",0666) != 0)
perror("mkfifo");
return 0;
}3. What is FNR?
4. x86 architecture uses big endian or little endian addressing mechanism?
5. The -fPIC option of gcc
6. Which command creates an empty file if file does not exist?
7. GDB stands for
8. Which of the following file set in the current directory are identified by the regular expression a?b*
9. What is the output of this program?
#include<stdio.h>
#include<sys/types.h>
#include<netinet/in.h>
#include<sys/socket.h>
#include<errno.h>
int main()
{
struct sockaddr_in addr;
int fd;
fd = socket(AF_UNIX,SOCK_STREAM,0);
if (fd == -1)
perror("socket");
addr.sun_family = AF_UNIX;
strcpy(addr.sun_path,"demo_sock");
if (bind(4,(struct sockaddr*)&addr,sizeof(addr)) == -1)
printf("Example\n");
return 0;
}
#include<stdio.h>
#include<sys/types.h>
#include<netinet/in.h>
#include<sys/socket.h>
#include<errno.h>
int main()
{
struct sockaddr_in addr;
int fd;
fd = socket(AF_UNIX,SOCK_STREAM,0);
if (fd == -1)
perror("socket");
addr.sun_family = AF_UNIX;
strcpy(addr.sun_path,"demo_sock");
if (bind(4,(struct sockaddr*)&addr,sizeof(addr)) == -1)
printf("Example\n");
return 0;
}10. Which command is used to assign read-write permission to the owner?
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