1: NetBSD consists of a core base system and any third-party software you install
2: on top. The NetBSD base system can be upgraded in numerous ways, including
3: booting a new installer image, using the sysupgrade tool, or building from
4: source. For more information, see
5: [the NetBSD guide](//www.netbsd.org/docs/guide/en/chap-upgrading.html#using-sysupgrade).
6:
7: NetBSD uses [pkgsrc](//www.pkgsrc.org) for managing third-party software. The instructions
8: for [upgrading pkgsrc packages](//www.NetBSD.org/docs/pkgsrc/using.html#using-pkg)
9: have moved to the pkgsrc guide.
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