One of the tools that compilers supply us with are libraries. A library is a file containing several object files, that can be used as a single entity in a linking phase of a program. Normally the library is indexed, so it is easy to find symbols (functions, variables and…

First, gcc is the GNU Compiler Collection which is a compiler system. It is used in many different languages including C, C++, Java, Objective C and many others, C is the most popular programming language worldwide. It’s a language that was originally developed by Dennis M. Ritchie and was originally…

A link in UNIX is a pointer to a file. Like pointers in any programming languages, links in UNIX are pointers pointing to a file or a directory. Creating links is a kind of shortcuts to access a file. Links allow more than one file name to refer to the…

The Linux Shell is a software or computer program that, through a graphical interface such as a text window, provides the user with the possibility of communicating and interacting with the computer through texts, seeing all the words or commands on the screen. That gives special commands to be executed…