[root@localhost ~]# man unameUNAME(1)                         User Commands                        UNAME(1)NAME       uname - print system informationSYNOPSIS       uname [OPTION]...DESCRIPTION       Print certain system information.  With no OPTION, same as -s.       -a, --all              print all information, in the following order, except omit -p and -i if unknown:       -s, --kernel-name              print the kernel name       -n, --nodename              print the network node hostname       -r, --kernel-release              print the kernel release       -v, --kernel-version              print the kernel version       -m, --machine              print the machine hardware name       -p, --processor              print the processor type or "unknown"       -i, --hardware-platform              print the hardware platform or "unknown"       -o, --operating-system              print the operating system       --help display this help and exit       --version              output version information and exitAUTHOR       Written by David MacKenzie.REPORTING BUGS       Report uname bugs to bug-coreutils@gnu.org       GNU coreutils home page: 
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