Linux was developed as a multi-user system. One big problem with multi-user systems is securing information of a particular user from other users. To do that, a concept of permissions was introduced. When you create a file, you have the right to read and write it. In this article we …

init.d is the sub-directory of /etc directory in Linux file system. init.d basically contains the bunch of start/stop scripts which are used to control (start,stop,reload,restart) the daemon while the system is running or during boot. If you look at /etc/init.d then you …