检测"Windows上的Ubuntu"与来自bash脚本的本机Ubuntu [英] Detect "Ubuntu on Windows" vs native Ubuntu from bash script

问题描述

bash脚本能否检测它是否在"Windows上的Ubuntu"与本机Ubuntu中运行?如果可以，怎么办?

Can a bash script detect if it's running in "Ubuntu on Windows" vs native Ubuntu? If so, how?

我在两台计算机上都运行了env，但没有看到任何明显的环境变量差异.我可以测试/mnt/c目录是否存在，但这并不是万无一失的，因为该目录也可能存在于本机Ubuntu中.

I ran env on both machines and didn't see any obvious environmental variable differences. I could test for the existence of the /mnt/c directory, but that is not foolproof because that directory could potentially also be present on native Ubuntu.

推荐答案

在Windows上的Ubuntu中，/proc/version看起来包含:

It looks like /proc/version in Ubuntu on Windows contains:

Linux version 3.4.0-Microsoft ([e-mail]) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Wed Dec 31 14:42:53 PST 2014

我的Ubuntu版本具有:

and my version of Ubuntu has:

Linux version 4.4.0-31-generic (buildd@lgw01-16) (gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2.1) ) #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016

此代码对我有用，可以检测脚本在哪个版本的Ubuntu上运行:

This code is working for me to detect which version of Ubuntu the script is running on:

if grep -q Microsoft /proc/version; then
  echo "Ubuntu on Windows"
else
  echo "native Linux"
fi

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