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macos - OSX: programmatically get uptime?

in Technique[技术] by (71.8m points)

Something similar to linux

cat /proc/uptime

which returns the uptime in seconds, and preferably not parsing uptime(1).

See Question&Answers more detail:os

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by (71.8m points)

The Uptime article on Wikipedia has an interesting lead:

Using sysctl

There is also a method of using sysctl to call the system's last boot time: $ sysctl kern.boottime kern.boottime: { sec = 1271934886, usec = 667779 } Thu Apr 22 12:14:46 2010

Which references sysctl(8), which references sysctl(3).


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