CentOS查看内核版本、系统版本、系统位数
CentOS查看内核版本、系统版本、系统位数查看Linux内核版本
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# cat /proc/version
Linux version 2.6.32-358.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7
20120313 (Red Hat 4.4.7-3) (GCC) ) #1 SMP Fri Feb 22 00:31:26 UTC 2013
# uname -a
Linux mongo02 2.6.32-358.el6.x86_64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 x86_64
x86_64 GNU/Linux
# uname -r
2.6.32-358.el6.x86_64
查看操作系统版本
1.列出所有版本信息
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# lsb_release -a
LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 6.4 (Final)
Release: 6.4
Codename: Final
注:这个命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。
2.执行cat /etc/issue
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# cat /etc/issue
CentOS release 6.4 (Final)
Kernel \r on an \m
3.执行cat /etc/redhat-release
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# cat /etc/redhat-release
CentOS release 6.4 (Final)
查看系统是64位还是32位
1.getconf LONG_BIT or getconf WORD_BIT
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# getconf LONG_BIT
64
2.file /bin/ls
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# file /bin/ls
/bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped
3.lsb_release-a
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# lsb_release -a
LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 6.4 (Final)
Release: 6.4
Codename: Final
不错，学习了！
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