Category: linux

Bash Shell is powerful. We can accomplish many complex jobs based on the abundant commands. This tutorial presents a Bash shell to check a given number to see it …

A Crontab is a job that runs programs at their specified intervals. In Linux, you can use crontab -e to edit the jobs, e.g. normally a line specifies one …

*.so files under Linux are similar to *.dll on windows. They are both shared library, which contain commonly-used functions/classes. The shared library can be loaded into memory whenever needed …

Well, the SSL (Secure Socket Layer) is the future for internet (blogs, websites etc). The SSL connections are secure meaning that it is almost impossible to crack/interpret the content …

There are many ways to show line numbers when displaying text files. For example, in this article, we know the utility nl can be used to show line numbers …