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I need to get only first two numbers of “uname -r” command in bash
example of regular out put:
uname -r
3.5.0-18-generic
what I expect using magic bash options:
3.5
assuming you want everything before the second dot, this will do what you want:
uname itself does not support cutting the output, afaik. The pipe through cut will show you fields 1 and 2 (
-f1-2), delimited by dots (-d.)