81. Process information in the current shell can be obtained by using
82. Section 2 of manpage describes
83. Which of these commands could you use to show one page of output at a time?
84. If two files on same partition point to the same inode structure they are called
85. What is stored in logfile as per below mentioned code if we execute ./a.out > logfile?
int main()
{
int fd;
close(1);
fd = open(“logfile”,O_RDWR, 0744);
write(fd, “Hello”, 5);
printf(“World\n”);
return 0;
}
int main()
{
int fd;
close(1);
fd = open(“logfile”,O_RDWR, 0744);
write(fd, “Hello”, 5);
printf(“World\n”);
return 0;
}86. What is the output of this program?
#! /usr/bin/awk -f
BEGIN {
for(i=0;i<=5;i++) {
print i
i++
}
}
#! /usr/bin/awk -f
BEGIN {
for(i=0;i<=5;i++) {
print i
i++
}
}87. This program will print the
#include<stdio.h>
#include<unistd.h>
int main()
{
long int value;
value = pathconf("/home/example",_PC_NAME_MAX);
printf("%ld\n",value);
return 0;
}
#include<stdio.h>
#include<unistd.h>
int main()
{
long int value;
value = pathconf("/home/example",_PC_NAME_MAX);
printf("%ld\n",value);
return 0;
}88. What is the output of this when the pipe is successfully created?
#include<stdio.h>
int main()
{
int ret_val;
int fd[2];
ret_val = pipe(fd);
printf("%d\n",ret_val);
return 0;
}
#include<stdio.h>
int main()
{
int ret_val;
int fd[2];
ret_val = pipe(fd);
printf("%d\n",ret_val);
return 0;
}89. Which one of the following is not correct about job control in bash shell?
90. By this program the soket "demo_sock" will create
#include<stdio.h>
#include<sys/types.h>
#include<sys/un.h>
#include<sys/socket.h>
int main()
{
struct sockaddr_un add_server;
int fd_server;
fd_server = socket(AF_UNIX,SOCK_STREAM,0);
if(fd_server == -1)
perror("socket");
add_server.sun_family = AF_UNIX;
strcpy(add_server.sun_path,"demo_sock");
if( bind(fd_server,(struct sockaddr*)&add_server,sizeof(add_server)) != 0)
perror("bind");
return 0;
}
#include<stdio.h>
#include<sys/types.h>
#include<sys/un.h>
#include<sys/socket.h>
int main()
{
struct sockaddr_un add_server;
int fd_server;
fd_server = socket(AF_UNIX,SOCK_STREAM,0);
if(fd_server == -1)
perror("socket");
add_server.sun_family = AF_UNIX;
strcpy(add_server.sun_path,"demo_sock");
if( bind(fd_server,(struct sockaddr*)&add_server,sizeof(add_server)) != 0)
perror("bind");
return 0;
}Read More Section(Linux)
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