100 Useful Command-Line Utilities

by Oliver; 2014

50. uname

As its man page says, uname prints out various system information. In the simplest form:

$ uname
Linux

If you use the -a flag for all, you get all sorts of information:

$ uname -a
Linux my.system 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 \
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux