codingfreak

The sigaction system call has the same basic effect as signal system call: to specify how a signal should be handled by the process. But s...

The simplest way to change the action for a signal is to use the signal system call. You can specify a built-in action (such as to ignore t...

We know how to read a string from STDIN in C by using library functions like scanf , fgets and so on. By using these functions there is a c...

TO list all the users who can access a Linux machine we have to access the /etc/passwd file, which stores information about all registered ...

Besides signals that are generated as a result of a hardware trap or interrupt, your program can explicitly send signals to itself or to ano...