Linux:查看系统版本
cat /etc/issue
cat /etc/*release
uname -a
/app # cat /etc/issue Welcome to Alpine Linux 3.6 Kernel \r on an \m (\l) /app # cat /etc/*release 3.6.2 NAME="Alpine Linux" ID=alpine VERSION_ID=3.6.2 PRETTY_NAME="Alpine Linux v3.6" HOME_URL="http://alpinelinux.org" BUG_REPORT_URL="http://bugs.alpinelinux.org" /app # uname -r 4.4.49-92.11-default /app # uname -a Linux 897b3aad06d4 4.4.49-92.11-default #1 SMP Fri Feb 17 08:29:30 UTC 2017 (8f9 478a) x86_64 Linux /app #