Basic operation of the Linux command line

Uname --help usage: uname [options] ... Outputs a set of system information. If you do not follow the option, you are considered to be attaching only the-s  option.   -a, --all             output All information in the following order. If the detection results of-p  and  -i  are not known, they are omitted: -s, --kernel-name          Output kernel name   -n, --nodename         host name on the output network node     -r, --kernel-release         output Kernel release number     -v, --kernel-version         Output Kernel version    -m, -- machine         hardware architecture name of the output host    -p, --processor          Output Processor type or "Unknown"   -i, --hardware-platform      Output hardware platform or "unknown"   -o, --operating-system     output operating system name         --help         Display this help message and exit         --version          display version information and exit

Note: uname commands are referenced from: http://www.cnblogs.com/xy-kidult/archive/2013/03/10/2953051.html

2. View version information for Red Hat Linux systems

Cat/etc/redhat-release

3. View information about Linux Standard Edition

LSB_RELEASE-R//View Standard Edition

LSB_RELEASE-A//View detailed version information

4. View CPU Information

Cat/proc/cpuinfo

5. View memory Information

Cat/proc/meminfo

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Basic operation of the Linux command line