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Journalist Paul Brand, 38, took to our screens to present the latest instalment of News at 10.

Small IT hardware firms feel the heat from Trump making prices great

World War Fee  Modular laptop maker Framework is pausing sales of models it would make a loss on, while a small US keyboard biz is facing hundreds of dollars slapped on its products that American consumers will have to pay.…

Bhim Kohli, 80, was racially abused and slapped in the face with a shoe by a balaclava-clad boy in Leicester while a girl filmed part of the attack and laughed.

In February Michael Stones, 25, from San Marcos in Texas, was diagnosed with amyotrophic lateral sclerosis - the most common form of MND.

The social media influencer, 27, decided to go under the knife prior to her nuptials and also feels that as a mother, she wants to dress more conservatively in the future.

Christie has been extremely candid about how she maintains her trim body and youthful appearance.

Trump's tariffs got me thinking, if someone gave me carte blanche to impose a bunch of random tariffs on things, places or people just for the fun of it, what would they be?

A popular hiking hotspot in Scotland has been hit by three earthquakes in the space of just six hours, experts reveal.

While bleeding from the bowel and bloating are well known signs of the disease, there's other red flags that very few people know about, according to Dr Alasdair Scott

Appearing in a new Channel 5 documentary, which airs tonight, NHS GP Dr Claire Taylor explored some of the key symptoms of autism.

There was no expense spared at Tiffany Trump's extravagant baby shower - including from host Ivanka Trump, who looked dazzling in a $1,000 designer dress.

The presence of Chinese soldiers on the battlefield threatens to upend the delicate status quo with U.S.-mediated peace talks failing to make decisive progress.

The actor, 72, has already made headlines with his 'creepy' behaviour towards host AJ Odudu, which sparked a hugely negative reaction from fans on social media.

Mark Rutte said China's substantial investments in its defence capabilities must act as a wake-up call for Western nations who have not taken the threat seriously so far.

Celebrity Big Brother star Mickey Rourke's dark past has come to light since he entered the house on Monday night.

Within minutes of his arrival, the Hollywood actor was seen leering at the ITV show's host AJ Odudu.

Disconnected device scenarios cause headaches for Microsoft

Microsoft is extending support for a product scheduled for deprecation. Sadly for some, it's not Windows 10.…

by George Whittaker

If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in your shell sessions, influencing everything from what shell prompt you see to which programs are available when you type a command. Whether you're an experienced sysadmin or a new Linux user, mastering environment variables is essential for customizing and controlling your shell experience.

In this guide, we'll take a dive into environment variables in the Linux shell. By the end, you'll not only know how to view and set these variables, but also how to persist them, use them in scripts, and troubleshoot issues effectively.

What Are Environment Variables?

At a basic level, environment variables are dynamic named values that affect the behavior of running processes on your Linux system. Think of them as configuration settings that your shell (like Bash or Zsh) and applications refer to in order to understand how they should operate.

For example:

• The PATH variable tells the shell where to look for executable files.

• The HOME variable stores the path to your home directory.

• The LANG variable defines your system’s language and character encoding.

Environment Variables vs Shell Variables

There is an important distinction between shell variables and environment variables:

• Shell variables are local to the shell session in which they are defined.

• Environment variables are shell variables that have been exported, meaning they are inherited by child processes spawned from the shell.

Viewing Environment Variables

Before you can modify or use environment variables, it's important to know how to inspect them.

View All Environment Variables

printenv

or

env

Both commands list environment variables currently set for the session.

View a Specific Variable

echo $HOME

This will display the current user's home directory.

View All Shell Variables

set

This command displays all shell variables and functions. It's broader than printenv.

Setting and Exporting Environment Variables

You can define your own variables or temporarily change existing ones within your shell.

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AN ESSEX mental health nurse accused of sending "sexual" messages to a patient she allegedly planned for a future relationship with has been struck off

The enhancements aim to create more visually appealing town centres with improved street furniture.