How do I know which Windowing system, display server and a window manager I am running on GNU/Linux?
93027
How to know the types of windowing system, window manager and desktop environment of a Unix-like OS
35419
Which version of Windows do I have?
56863
What are the differences between Desktop, Server, and Alternate Installs?
111622
Show all open windows in 11.04?
65144
What default Windows Software Alternatives does Ubuntu have!
93880
How do I check system specifications?
120548
How do I determine which graphics card I'm using?
81429
How do I find out what version of Linux I'm running?
40402
How do I go about tracking down IO usage in Linux and other *nix OS'?
14370
What is the Linux equivalent to Windows' Program Files?
155839
Can I list the filesystems a running kernel can support?
61809
How do I make GDM the default display manager?
126520
How to detect true Windows version?
107802
How to check if Ubuntu Desktop or Server is installed?
58197
How to use window menu accelerators/mnemonics in Ubuntu 18.04 LTS?
93277
How to find out what init mode system is using?
85261
How do I find out which paths my (La)TeX installation checks looking for packages (on a Linux system)?