linux 查看内核版本及系统位数

1. 查看内核版本命令

1)cat /proc/versionLinux version 3.16.0-4-amd64 ([e-mail]) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03)2) uname -a Linux hello 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux3) uname -r3.16.0-4-amd64

2. 查看linux版本

1) 登录到服务器执行 lsb_release -a ,即可列出所有版本信息,No LSB modules are available.Distributor ID: DebianDescription:    Debian GNU/Linux 8.6 (jessie)Release:    8.6Codename:   jessie   注:这个命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。2) 登录到linux执行cat /etc/issue,No LSB modules are available.Distributor ID: DebianDescription:    Debian GNU/Linux 8.6 (jessie)Release:    8.6Codename:   jessie

3.查看系统位数

1、getconf LONG_BIT or getconf WORD_BIT    642、file /bin/ls/bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=a0823e17cafbe5b2296346216445566840fdfd88, stripped