How-To Geek on MSN

An introduction to the most useful special and environment variables in Bash

If you're writing a Bash script, you will invariably need to pass values to it—aka arguments or positional parameters. Bash's approach is a little clunky, but it works. Examples are the easiest way to ...
TechRepublic

Linux 101: What are environment variables?

Linux 101: What are environment variables? Your email has been sent Jack Wallen introduces you to Linux environment variables. What are they and how are they set and ...
Network World

Working with variables on Linux

Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...
How-To Geek on MSN

A beginner's introduction to Bash parameter expansions

At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: echo "$foo" This ...
Ars Technica

Where to set environment variables to work with sudo?

I've added some environment variables to /etc/profile and /etc/bashrc, but when I run commands with sudo, they're not there—sudo env does not list them. Is there some other profile I should be editing ...
Hexus

QNAP Releases Qfix 1.0.1 to Resolve Additional GNU Bash Environment Variable Command Injection Vulnerabilities

Taipei, Taiwan, October 2, 2014 - QNAP® Systems, Inc. today released the Qfix 1.0.1 patch for its Turbo NAS lineup to address the GNU Bash Environment Variable Command Injection Vulnerability ...
Hexus

QNAP Releases New QTS for the Turbo NAS with Fix on GNU Bash Environment Variable Command Injection Vulnerability

Taipei, Taiwan, September 29, 2014 - QNAP® Systems, Inc. today released a new version of QTS for its Turbo NAS lineup, fixing the GNU Bash Environment Variable Command Injection Vulnerability ...