Windows Operating System Windows operating system is developed by Microsoft Corporation. It provides Graphical User Interface (GUI), multitasking c…
Operating System Operating system is a software that controls system’s hardware and interacts with user and application software. In short, an oper…
ipcs shows information on the inter-process communication facilities for which the calling process has read access. By default, it shows informat…
Unix is an Operating System that is truly the base of all Operating Systems like Ubuntu, Solaris, POSIX, etc. It was developed in the 1970s by Ke…
Introduction – Linux follows the very tough permission model. A root user can do anything but normal user has no permissions. To run any command, t…
Process A process is an instance of a program in execution. A set of processes combined together make a complete program. There are two categories …
SHELL is a program which provides the interface between the user and an operating system. When the user logs in OS starts a shell for user. Ker…
The Cron software utility is a time-based job scheduler in Unix-like operating systems. Cron allows Linux and Unix users to run commands or scri…