What are you using Linux for at work?

Many companies use Linux, but for different types of servers.. what is your company using it with/for?

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My company uses Linux exclusively for Internet speed tests, database servers, firewalls, web hosting servers, etc.. we even have large openstack and vmware 'clouds' where we can go in and build our own for our individual teams.

I think just our team deployed about 400 HP G9 CentOS servers in the last year across the country.

How about yours?

Sadly, nothing. The robots all use Windows 7. The old ones that we upgraded from, used OS2 Warp. That was fun to use on a windows network. Kinda challenging, if you know what I mean. When these came in, they had XP on them. I got them all installed and running fine. Then, A year later, we had to upgrade them to windows 7 (160 computers and 4 people) while the plant was in production. Oh, did I mention that we had 1 week to do it? In most cases, we had to build new computers, because the old ones were too slow for 7. . The project manager said it was like changing the tires on a bus while rolling down the road at 60MPH, but actually it was much worse. Lost lotsa sleep on that one, don't ya know! Now, the printers (Xerox 180MXs) use Unix but they are fed by Windows servers.

Sadly very little. My current employers IT infrastructure is 99.9% Windows. I think we have one Linux server hosting Bugzilla on our intranet ATM.

At the office, my workstation runs Windows 7
Could be worse though..... At least I haven't been "upgraded" to W8 or W10!

But I always have a cygwin terminal open - running tmux to manage multiple instances of Bash in a single terminal window. So although I'm not not using Linux directly at work, I still get a bit of Linux/Unix-like greatness during my work day!

I use Cygwin/Bash and tmux for almost everything ATM - editing source-code with vim, running build-scripts, grepping through the code-base, managing notes/TODO lists, source-control, backups etc.
I even wrote a little script that uses w3m and duckduckgo to allow me to do quick internet searches in the terminal. Saves me having to break concentration and wait for Firefox to load...
Searching from the terminal is more immediate and allows me to stay focused on the task at hand.

I also run X with dwm when I need to run/manage multiple tmux sessions.

Thanks to Cygwin et al - the only time I need to fire up the Visual Studio IDE is when I need to debug something.

Wherever possible at work, I also try to use free/libre/open-source software wherever possible:
e.g. Libreoffice, Gimp, Blender, Inkscape, Audacity, VLC, Okular etc. etc.