man apropos
All Sections 1 - General Commands 2 - System Calls 3 - Subroutines 4 - Special Files 5 - File Formats 6 - Games 7 - Macros and Conventions 8 - Maintenance Commands 9 - Kernel Interface n - New Commands FreeBSD 16.0-CURRENT FreeBSD 15.1-RELEASE FreeBSD 15.1-RELEASE and Ports FreeBSD 15.1-RELEASE and Ports.quarterly FreeBSD 15.1-STABLE FreeBSD 15.0-RELEASE FreeBSD 15.0-RELEASE and Ports FreeBSD 14.5-RELEASE FreeBSD 14.5-RELEASE and Ports FreeBSD 14.5-STABLE FreeBSD 14.4-RELEASE FreeBSD 14.4-RELEASE and Ports FreeBSD 14.3-RELEASE FreeBSD 14.3-RELEASE and Ports FreeBSD 14.2-RELEASE FreeBSD 14.2-RELEASE and Ports FreeBSD 14.1-RELEASE FreeBSD 14.1-RELEASE and Ports FreeBSD 14.0-RELEASE FreeBSD 14.0-RELEASE and Ports FreeBSD 13.5-RELEASE FreeBSD 13.5-RELEASE and Ports FreeBSD 13.4-RELEASE FreeBSD 13.4-RELEASE and Ports FreeBSD 13.3-RELEASE FreeBSD 13.3-RELEASE and Ports FreeBSD 13.2-RELEASE FreeBSD 13.2-RELEASE and Ports FreeBSD 13.1-RELEASE FreeBSD 13.1-RELEASE and Ports FreeBSD 13.0-RELEASE FreeBSD 13.0-RELEASE and Ports FreeBSD 12.4-RELEASE FreeBSD 12.4-RELEASE and Ports FreeBSD 12.3-RELEASE FreeBSD 12.3-RELEASE and Ports FreeBSD 12.2-RELEASE FreeBSD 12.2-RELEASE and Ports FreeBSD 12.1-RELEASE FreeBSD 12.1-RELEASE and Ports FreeBSD 12.0-RELEASE FreeBSD 12.0-RELEASE and Ports FreeBSD 11.4-RELEASE FreeBSD 11.4-RELEASE and Ports FreeBSD 11.3-RELEASE FreeBSD 11.3-RELEASE and Ports FreeBSD 11.2-RELEASE FreeBSD 11.2-RELEASE and Ports FreeBSD 11.1-RELEASE FreeBSD 11.1-RELEASE and Ports FreeBSD 11.0-RELEASE FreeBSD 11.0-RELEASE and Ports FreeBSD 10.4-RELEASE FreeBSD 10.4-RELEASE and Ports FreeBSD 10.3-RELEASE FreeBSD 10.3-RELEASE and Ports FreeBSD 10.2-RELEASE FreeBSD 10.2-RELEASE and Ports FreeBSD 10.1-RELEASE FreeBSD 10.1-RELEASE and Ports FreeBSD 10.0-RELEASE FreeBSD 10.0-RELEASE and Ports FreeBSD 9.3-RELEASE FreeBSD 9.3-RELEASE and Ports FreeBSD 9.2-RELEASE FreeBSD 9.2-RELEASE and Ports FreeBSD 9.1-RELEASE FreeBSD 9.1-RELEASE and Ports FreeBSD 9.0-RELEASE FreeBSD 9.0-RELEASE and Ports FreeBSD 8.4-RELEASE FreeBSD 8.4-RELEASE and Ports FreeBSD 8.3-RELEASE FreeBSD 8.3-RELEASE and Ports FreeBSD 8.2-RELEASE FreeBSD 8.2-RELEASE and Ports FreeBSD 8.1-RELEASE FreeBSD 8.1-RELEASE and Ports FreeBSD 8.0-RELEASE FreeBSD 8.0-RELEASE and Ports FreeBSD 7.4-RELEASE FreeBSD 7.4-RELEASE and Ports FreeBSD 7.3-RELEASE FreeBSD 7.3-RELEASE and Ports FreeBSD 7.2-RELEASE FreeBSD 7.2-RELEASE and Ports FreeBSD 7.1-RELEASE FreeBSD 7.1-RELEASE and Ports FreeBSD 7.0-RELEASE FreeBSD 6.4-RELEASE FreeBSD 6.4-RELEASE and Ports FreeBSD 6.3-RELEASE FreeBSD 6.3-RELEASE and Ports FreeBSD 6.2-RELEASE FreeBSD 6.1-RELEASE FreeBSD 6.0-RELEASE FreeBSD 6.0-RELEASE and Ports FreeBSD 5.5-RELEASE FreeBSD 5.5-RELEASE and Ports FreeBSD 5.4-RELEASE FreeBSD 5.4-RELEASE and Ports FreeBSD 5.3-RELEASE FreeBSD 5.3-RELEASE and Ports FreeBSD 5.2.1-RELEASE FreeBSD 5.2.1-RELEASE and Ports FreeBSD 5.2-RELEASE FreeBSD 5.2-RELEASE and Ports FreeBSD 5.1-RELEASE FreeBSD 5.0-RELEASE FreeBSD 4.11-RELEASE FreeBSD 4.11-RELEASE and Ports FreeBSD 4.10-RELEASE FreeBSD 4.10-RELEASE and Ports FreeBSD 4.9-RELEASE FreeBSD 4.9-RELEASE and Ports FreeBSD 4.8-RELEASE FreeBSD 4.8-RELEASE and Ports FreeBSD 4.7-RELEASE FreeBSD 4.6.2-RELEASE FreeBSD 4.6.2-RELEASE and Ports FreeBSD 4.6-RELEASE FreeBSD 4.6-RELEASE and Ports FreeBSD 4.5-RELEASE FreeBSD 4.5-RELEASE and Ports FreeBSD 4.4-RELEASE FreeBSD 4.3-RELEASE FreeBSD 4.3-RELEASE and Ports FreeBSD 4.2-RELEASE FreeBSD 4.2-RELEASE and Ports FreeBSD 4.1.1-RELEASE FreeBSD 4.1.1-RELEASE and Ports FreeBSD 4.1-RELEASE FreeBSD 4.0-RELEASE FreeBSD 3.5.1-RELEASE FreeBSD 3.5.1-RELEASE and Ports FreeBSD 3.5-RELEASE and Ports FreeBSD 3.4-RELEASE FreeBSD 3.4-RELEASE and Ports FreeBSD 3.3-RELEASE FreeBSD 3.2-RELEASE FreeBSD 3.1-RELEASE FreeBSD 3.0-RELEASE FreeBSD 2.2.8-RELEASE FreeBSD 2.2.8-RELEASE and Ports FreeBSD 2.2.7-RELEASE FreeBSD 2.2.6-RELEASE FreeBSD 2.2.5-RELEASE FreeBSD 2.2.2-RELEASE FreeBSD 2.2.1-RELEASE FreeBSD 2.1.7.1-RELEASE FreeBSD 2.1.6.1-RELEASE FreeBSD 2.1.5-RELEASE FreeBSD 2.1.0-RELEASE FreeBSD 2.0.5-RELEASE FreeBSD 2.0-RELEASE FreeBSD 1.1.5.1-RELEASE FreeBSD 1.1-RELEASE FreeBSD 1.0-RELEASE FreeBSD Ports 15.1 FreeBSD Ports 15.1.quarterly FreeBSD Ports 15.0 FreeBSD Ports 14.5 FreeBSD Ports 14.4 FreeBSD Ports 14.3 FreeBSD Ports 14.2 FreeBSD Ports 14.1 FreeBSD Ports 14.0 FreeBSD Ports 13.5 FreeBSD Ports 13.4 FreeBSD Ports 13.3 FreeBSD Ports 13.2 FreeBSD Ports 13.1 FreeBSD Ports 13.0 FreeBSD Ports 12.4 FreeBSD Ports 12.3 FreeBSD Ports 12.2 FreeBSD Ports 12.1 FreeBSD Ports 12.0 FreeBSD Ports 11.4 FreeBSD Ports 11.3 FreeBSD Ports 11.2 FreeBSD Ports 11.1 FreeBSD Ports 11.0 FreeBSD Ports 10.4 FreeBSD Ports 10.3 FreeBSD Ports 10.2 FreeBSD Ports 10.1 FreeBSD Ports 10.0 FreeBSD Ports 9.3 FreeBSD Ports 9.2 FreeBSD Ports 9.1 FreeBSD Ports 9.0 FreeBSD Ports 8.4 FreeBSD Ports 8.3 FreeBSD Ports 8.2 FreeBSD Ports 8.1 FreeBSD Ports 8.0 FreeBSD Ports 7.4 FreeBSD Ports 7.3 FreeBSD Ports 7.2 FreeBSD Ports 7.1 FreeBSD Ports 7.0 FreeBSD Ports 6.4 FreeBSD Ports 6.3 FreeBSD Ports 6.2 FreeBSD Ports 6.0 FreeBSD Ports 5.5 FreeBSD Ports 5.4 FreeBSD Ports 5.3 FreeBSD Ports 5.2.1 FreeBSD Ports 5.2 FreeBSD Ports 5.1 FreeBSD Ports 4.11 FreeBSD Ports 4.10 FreeBSD Ports 4.9 FreeBSD Ports 4.8 FreeBSD Ports 4.7 FreeBSD Ports 4.6.2 FreeBSD Ports 4.6 FreeBSD Ports 4.5 FreeBSD Ports 4.3 FreeBSD Ports 4.2 FreeBSD Ports 4.1.1 FreeBSD Ports 3.5.1 FreeBSD Ports 3.5 FreeBSD Ports 3.4 FreeBSD Ports 2.2.8 4.4BSD Lite2 4.3BSD NET/2 4.3BSD Reno 2.11 BSD 2.10 BSD 2.9.1 BSD 2.8 BSD 386BSD 0.1 386BSD 0.0 CentOS 7.9 CentOS 7.8 CentOS 7.7 CentOS 7.6 CentOS 7.5 CentOS 7.4 CentOS 7.3 CentOS 7.2 CentOS 7.1 CentOS 7.0 CentOS 6.10 CentOS 6.9 CentOS 6.8 CentOS 6.7 CentOS 6.6 CentOS 6.5 CentOS 6.4 CentOS 6.3 CentOS 6.2 CentOS 6.1 CentOS 6.0 CentOS 5.11 CentOS 5.10 CentOS 5.9 CentOS 5.8 CentOS 5.7 CentOS 5.6 CentOS 5.5 CentOS 5.4 CentOS 4.8 CentOS 3.9 Darwin 8.0.1/ppc Darwin 7.0.1 Darwin 6.0.2/x86 Darwin 1.4.1/x86 Darwin 1.3.1/x86 Debian 14.0 unstable Debian 13.6.0 Debian 12.15.0 Debian 11.11.0 Debian 10.13.0 Debian 9.13.0 Debian 8.11.1 Debian 7.11.0 Debian 6.0.10 Debian 5.0.10 Debian 4.0.9 Debian 3.1.8 Debian 2.2.7 Debian 2.0.0 Dell UNIX SVR4 2.2 DragonFly 6.4.2 DragonFly 5.8.3 DragonFly 4.8.1 DragonFly 3.8.2 DragonFly 2.10.1 DragonFly 1.12.1 DragonFly 1.0A HP-UX 11.22 HP-UX 11.20 HP-UX 11.11 HP-UX 11.00 HP-UX 10.20 HP-UX 10.10 HP-UX 10.01 HP-UX 9.07 HP-UX 8.07 Inferno 4th Edition IRIX 6.5.30 MACH 2.5/i386 macOS 27.0 macOS 26.7 macOS 15.8 macOS 13.6.5 macOS 12.7.3 macOS 11.1 macOS 10.15.7 macOS 10.13.6 macOS 10.12.0 Minix 3.3.0 Minix 3.2.1 Minix 3.2.0 Minix 3.1.8 Minix 3.1.7 Minix 3.1.6 Minix 3.1.5 Minix 2.0.0 NetBSD 11.0 NetBSD 10.2 NetBSD 10.1 NetBSD 10.0 NetBSD 9.5 NetBSD 9.4 NetBSD 9.3 NetBSD 9.2 NetBSD 9.1 NetBSD 9.0 NetBSD 8.3 NetBSD 8.2 NetBSD 8.1 NetBSD 8.0 NetBSD 7.2 NetBSD 7.1.2 NetBSD 7.1 NetBSD 7.0 NetBSD 6.1.5 NetBSD 6.0 NetBSD 5.2.3 NetBSD 5.2 NetBSD 5.1 NetBSD 5.0 NetBSD 4.0.1 NetBSD 4.0 NetBSD 3.1 NetBSD 3.0 NetBSD 2.1 NetBSD 2.0.2 NetBSD 2.0 NetBSD 1.6.2 NetBSD 1.6.1 NetBSD 1.6 NetBSD 1.5.3 NetBSD 1.5.2 NetBSD 1.5.1 NetBSD 1.5 NetBSD 1.4.3 NetBSD 1.4.2 NetBSD 1.4.1 NetBSD 1.4 NetBSD 1.3.3 NetBSD 1.3.2 NetBSD 1.3.1 NetBSD 1.3 NetBSD 1.2.1 NetBSD 1.2 NetBSD 1.1 NetBSD 1.0 NeXTSTEP 3.3 OpenBSD 8.0 OpenBSD 7.9 OpenBSD 7.8 OpenBSD 7.7 OpenBSD 7.6 OpenBSD 7.5 OpenBSD 7.4 OpenBSD 7.3 OpenBSD 7.2 OpenBSD 7.1 OpenBSD 7.0 OpenBSD 6.9 OpenBSD 6.8 OpenBSD 6.7 OpenBSD 6.6 OpenBSD 6.5 OpenBSD 6.4 OpenBSD 6.3 OpenBSD 6.2 OpenBSD 6.1 OpenBSD 6.0 OpenBSD 5.9 OpenBSD 5.8 OpenBSD 5.7 OpenBSD 5.6 OpenBSD 5.5 OpenBSD 5.4 OpenBSD 5.3 OpenBSD 5.2 OpenBSD 5.1 OpenBSD 5.0 OpenBSD 4.9 OpenBSD 4.8 OpenBSD 4.7 OpenBSD 4.6 OpenBSD 4.5 OpenBSD 4.4 OpenBSD 4.3 OpenBSD 4.2 OpenBSD 4.1 OpenBSD 4.0 OpenBSD 3.9 OpenBSD 3.8 OpenBSD 3.7 OpenBSD 3.6 OpenBSD 3.5 OpenBSD 3.4 OpenBSD 3.3 OpenBSD 3.2 OpenBSD 3.1 OpenBSD 3.0 OpenBSD 2.9 OpenBSD 2.8 OpenBSD 2.7 OpenBSD 2.6 OpenBSD 2.5 OpenBSD 2.4 OpenBSD 2.3 OpenBSD 2.2 OpenBSD 2.1 OpenBSD 2.0 OpenDarwin 7.2.1 OpenDarwin 6.6.2/x86 OpenDarwin 6.6.1/x86 OpenDarwin 20030208pre4/ppc OpenIndiana 2025.10 OpenIndiana 2024.10 OpenIndiana 2022.10 OpenIndiana 2020.10 OpenIndiana 2017.10 OpenIndiana 2015.10 OpenIndiana 2013.08 OpenSolaris 2010.03 OpenSolaris 2009.06 OpenStep 4.2 openSUSE 42.3 openSUSE 42.2 openSUSE 42.1 openSUSE 16.0 openSUSE 15.6 openSUSE 15.5 openSUSE 15.4 openSUSE 15.3 openSUSE 15.2 openSUSE 15.1 openSUSE 15.0 openSUSE 13.2 openSUSE 13.1 openSUSE 11.4 openSUSE 11.3 openSUSE 11.2 openSUSE 10.3 openSUSE 10.2 OSF1 V5.1/alpha OSF1 V4.0/alpha OSF1 V1.0/mips Plan 9 Red Hat 9.0 Red Hat 8.0 Red Hat 7.3 Red Hat 7.2 Red Hat 7.1 Red Hat 7.0 Red Hat 6.2 Red Hat 6.1 Red Hat 5.2 Red Hat 5.0 Red Hat 4.2 Rhapsody DR1 Rhapsody DR2 Rocky 10.2 Rocky 10.1 Rocky 10.0 Rocky 9.8 Rocky 9.7 Rocky 9.6 Rocky 9.5 Rocky 9.4 Rocky 9.3 Rocky 9.2 Rocky 9.1 Rocky 9.0 Rocky 8.10 Rocky 8.9 Rocky 8.8 Rocky 8.7 Rocky 8.6 Rocky 8.5 Rocky 8.4 Rocky 8.3 Sun UNIX 0.4 SunOS 5.10 SunOS 5.9 SunOS 5.8 SunOS 5.7 SunOS 5.6 SunOS 5.5.1 SunOS 4.1.3 SuSE 11.3 SuSE 11.2 SuSE 11.1 SuSE 11.0 SuSE 10.3 SuSE 10.2 SuSE 10.1 SuSE 10.0 SuSE 9.3 SuSE 9.2 SuSE 8.2 SuSE 8.1 SuSE 8.0 SuSE 7.3 SuSE 7.2 SuSE 7.1 SuSE 7.0 SuSE 6.4 SuSE 6.3 SuSE 6.1 SuSE 6.0 SuSE 5.3 SuSE 5.2 SuSE 5.0 SuSE 4.3 Ubuntu 26.04 resolute Ubuntu 24.04 noble Ubuntu 22.04 jammy Ubuntu 20.04 focal Ubuntu 18.04 bionic Ubuntu 16.04 xenial Ubuntu 14.04 trusty ULTRIX 4.2 Ultrix-32 2.0/VAX Unix Seventh Edition X11R7.4 X11R7.3.2 X11R7.2 X11R6.9.0 X11R6.8.2 X11R6.7.0 XFree86 4.8.0 XFree86 4.7.0 XFree86 4.6.0 XFree86 4.5.0 XFree86 4.4.0 XFree86 4.3.0 XFree86 4.2.99.3 XFree86 4.2.0 XFree86 4.1.0 XFree86 4.0.2 XFree86 4.0.1 XFree86 4.0 XFree86 3.3.6 XFree86 3.3 XFree86 2.1 html pdf ascii

home | help

---

coap_observe(3), coap_resource_set_get_observable(3), coap_resource_notify_observers(3), coap_cancel_observe(3), coap_session_set_no_observe_cancel(3)

Work with CoAP observe

home | help

---