listen for a notification NAME LISTEN - listen for a notification SYNOPSIS LISTEN channel DESCRIPTION LISTEN registers the current session as a listener on the notification channel…generate a notification NAME NOTIFY - generate a notification SYNOPSIS NOTIFY channel [ , payload ] DESCRIPTION The NOTIFY command sends a notification event together with an optio…stop listening for a notification NAME UNLISTEN - stop listening for a notification SYNOPSIS UNLISTEN { channel | * } DESCRIPTION UNLISTEN is used to remove an existing registratio…I/O event notification facility NAME epoll - I/O event notification facility SYNOPSIS #include <sys/epoll.h> DESCRIPTION The epoll API performs a similar task to poll (2): monitori…TCP protocol NAME tcp - TCP protocol SYNOPSIS #include <sys/socket.h> #include <netinet/in.h> #include <netinet/tcp.h> tcp_socket = socket(AF_INET, SOCK_STREAM, 0); DESCRIPTION Thi…monitoring filesystem events NAME fanotify - monitoring filesystem events DESCRIPTION The fanotify API provides notification and interception of filesystem events. Use cases includ…obtaining information about sockets NAME sock_diag - obtaining information about sockets SYNOPSIS #include <sys/socket.h> #include <linux/sock_diag.h> #include <linux/unix_diag.h> …communication between kernel and user space (AF_NETLINK) NAME netlink - communication between kernel and user space (AF_NETLINK) SYNOPSIS #include <asm/types.h> #include <sys/socke…Linux socket interface NAME socket - Linux socket interface SYNOPSIS #include <sys/socket.h> sockfd = socket(int socket_family , int socket_type , int protocol ); DESCRIPTION This …semantic markup language for formatting manual pages NAME mdoc — semantic markup language for formatting manual pages DESCRIPTION The mdoc language supports authoring of manual pag…change the definition of a publication NAME ALTER_PUBLICATION - change the definition of a publication SYNOPSIS ALTER PUBLICATION name ADD publication_object [, ...] ALTER PUBLICAT…conventions for writing Linux man pages NAME man-pages - conventions for writing Linux man pages SYNOPSIS man [ section ] title DESCRIPTION This page describes the conventions that…implementations of linked lists and queues NAME queue - implementations of linked lists and queues DESCRIPTION The <sys/queue.h> header file provides a set of macros that define an…Index of configuration directives NAME systemd.directives - Index of configuration directives UNIT DIRECTIVES Directives for configuring units, used in unit files. Accept= systemd.…POSIX asynchronous I/O overview NAME aio - POSIX asynchronous I/O overview DESCRIPTION The POSIX asynchronous I/O (AIO) interface allows applications to initiate one or more I/O op…Writing and packaging system daemons NAME daemon - Writing and packaging system daemons DESCRIPTION A daemon is a service process that runs in the background and supervises the sys…design notes for mawk's array implementation NAME mawk-arrays - design notes for mawk's array implementation SYNOPSIS This is the documentation for the mawk implementation of awk a…sockets for local interprocess communication NAME unix - sockets for local interprocess communication SYNOPSIS #include <sys/socket.h> #include <sys/un.h> unix_socket = socket(AF_U…monitoring filesystem events NAME inotify - monitoring filesystem events DESCRIPTION The inotify API provides a mechanism for monitoring filesystem events. Inotify can be used to m…compute a set of rows NAME VALUES - compute a set of rows SYNOPSIS VALUES ( expression [, ...] ) [, ...] [ ORDER BY sort_expression [ ASC | DESC | USING operator ] [, ...] ] [ LIMI…