Unix / Linux Basic Utilities – Printing, Email
Printing Files Before you print a file on a Unix system, you may want to reformat it to adjust the margins, highlight some words, and …
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Unix / Linux – Environment
An important Unix concept is the environment, which is defined by environment variables. Some are set by the system, others by you, yet others by the …
Unix / Linux – File Permission / Access Modes
In this chapter, we will discuss in detail about file permission and access modes in Unix. File ownership is an important component of Unix that …
Unix / Linux – Directory Management
A directory is a file the solo job of which is to store the file names and the related information. All the files, whether ordinary, …
Unix / Linux – File Management
In this chapter, we will discuss in detail about file management in Unix. All data in Unix is organized into files. All files are organized …
Unix/Linux – Getting Started
What is Unix ? The Unix operating system is a set of programs that act as a link between the computer and the user. The …
SQL (Structured Query Language) – Injection
If you take a user input through a webpage and insert it into a SQL database, there is a chance that you have left yourself …
