Query what Linux/Unix distribution you're using (from the command-line)
81429
How do I find out what version of Linux I'm running?
64123
How to list packages from a ppa/source in command line?
128555
Is there a command line tool to get the list of content of current kernel used in my Ubuntu?
147530
What is the version of my debian system?
87526
How can I list all applications installed in my system?
101610
How do I find out the kernel version I am running?
138747
How to list installed packages in apt that are not backed by a repository?
83704
How can I know what OS I'm working in?
103196
How to find list of available shells by command-line?
40021
How can I get a list of all packages available for a specific version of Ubuntu (not necessarily the one I have installed)?
8780
How can I find out in which distributions a package is available?
154248
How to see all packages in a package repository? Website or command line?
10980
Unix-type "locate" on Windows?
64083
How can I tell which release my org is running?
74288
Where can I find the kernel configuration on each Linux distribution?
46932
How to determine which Python install is being used by the interpreter?
137801
How can I find the current OS in Python?