uname – Print operating system name
usage: uname [-amnprsv]
-a Behave as though all of the options -mnrsv were specified. -m print the machine hardware name. -n print the nodename (the nodename may be a name that the system is known by to a communications network). -p print the machine processor architecture name. -r print the operating system release. -s print the operating system name. -v print the operating system version.
See Also
/Users/devzkn/bin//knpost uname The uname utility writes symbols representing one or more system characteristics to the standard output -t shell #原来""的参数,需要自己加上""