Best Way to Find Os Name and Version in Unix/Linux Platform

How do I identify the particular Linux flavor via command line?

Try the below command....
It worked for me...

cat /proc/version

Once you know that you are running Red Hat for example, you can get to the point with:

cat /etc/redhat-release

Or on Debian:

cat /etc/debian_version

or in general :

cat /etc/*-release

Also you could use the following command

cat /etc/issue

How to detect the OS from a Bash script?

I think the following should work. I'm not sure about win32 though.

if [[ "$OSTYPE" == "linux-gnu"* ]]; then
        # ...
elif [[ "$OSTYPE" == "darwin"* ]]; then
        # Mac OSX
elif [[ "$OSTYPE" == "cygwin" ]]; then
        # POSIX compatibility layer and Linux environment emulation for Windows
elif [[ "$OSTYPE" == "msys" ]]; then
        # Lightweight shell and GNU utilities compiled for Windows (part of MinGW)
elif [[ "$OSTYPE" == "win32" ]]; then
        # I'm not sure this can happen.
elif [[ "$OSTYPE" == "freebsd"* ]]; then
        # ...
else
        # Unknown.
fi

Get OS name with C [Linux, portable for distros: Centos, Debian, Fedora, OpenSUSE, RedHat, Ubuntu]

The uname system call gives you the generic system type (Linux in all your cases) in the sysname field, but it also gives you additional data in the release, version, and machine fields. The release field will give you the kernel version, and the version field will give you the general system version, which will be different for all the various linux variants you mention.

How to identify on which OS Python is running on?

>>> import os
>>> os.name
'posix'
>>> import platform
>>> platform.system()
'Linux'
>>> platform.release()
'2.6.22-15-generic'

The output of platform.system() is as follows:

• Linux: Linux
• Mac: Darwin
• Windows: Windows

See: platform — Access to underlying platform’s identifying data

how can i know on which flavour of linux i was using through command

Have you tried cat /etc/*-release ?

Other commands that might work:

cat /etc/system-release # I believe mostly Red Hat based distro

cat /proc/version

Determine the OS version, Linux and Windows from Powershell

Aren't there environment variables you can view on the other platforms for the OS?

Get-ChildItem -Path Env:

Particularly, on Windows at least, there's an OS environment variable, so you should be able to accomplish this by using $Env:OS.

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Since some time has passed and the PowerShell Core (v6) product is GA now (the Core branding has been dropped as of v7), you can more accurately determine your platform based on the following automatic boolean variables:

$IsMacOS
$IsLinux
$IsWindows

How to determine the current operating system in a Jenkins pipeline

As far as I know Jenkins only differentiates between windows and unix, i.e. if on windows, use bat, on unix/mac/linux, use sh. So you could use isUnix(), more info here, to determine if you're on unix or windows, and in the case of unix use sh and @Spencer Malone's answer to prope more information about that system (if needed).

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