查看linux版本信息方法

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uname -a

root@xilinx-zcu106-2018_1:/# uname -a
Linux xilinx-zcu106-2018_1 4.14.0-xilinx-v2018.1 #1 SMP Mon Jan 7 03:37:47 PST 2019 aarch64 GNU/Linux

cat /proc/version

root@xilinx-zcu106-2018_1:/# cat /proc/version
Linux version 4.14.0-xilinx-v2018.1 (oe-user@oe-host) (gcc version 7.2.0 (GCC)) #1 SMP Mon Jan 7 03:37:47 PST 2019

cat /etc/issue

root@xilinx-zcu106-2018_1:/# cat /etc/issue
PetaLinux 2018.1 \n \l