Daemon and rstatd daemon
In Unix and other multitasking computer
operating systems, a daemon is a computer program that runs as a
background process, rather than being under the direct control of an
interactive user. Typically daemon names end with the letter d: for
example, syslogd is the daemon that implements the system logging
facility and sshd is a daemon that services incoming SSH connections.
In a Unix environment, the parent process of a daemon is often, but not always, the init process. A daemon is usually created by a process forking a child process and then immediately exiting, thus causing init to adopt the child process. In addition, a daemon or the operating system typically must perform other operations, such as dissociating the process from any controlling terminal (tty). Such procedures are often implemented in various convenience routines such as daemon(3) in Unix.
Systems often start daemons at boot time: they often serve the function of responding to network requests, hardware activity, or other programs by performing some task. Daemons can also configure hardware (like udevd on some GNU/Linux systems), run scheduled tasks (like cron), and perform a variety of other tasks.
Daemon stands for Disk and Execution Monitor. A daemon is a long-running background process that answers requests for services. The term originated with Unix, but most operating systems use daemons in some form or another. In Windows NT, 2000, and XP, for example, daemons are called "services". In Unix, the names of daemons conventionally end in "d". Some examples include inetd, httpd, nfsd, sshd, named, and lpd.
rstatd Daemon
Purpose
Returns performance statistics obtained from the kernel.
Syntax
/usr/sbin/rpc.rstatd
Description
The rstatd daemon is a server that returns performance statistics obtained from the kernel. The rstatd daemon is normally started by the inetd daemon.
Files
/etc/inetd.conf TCP/IP configuration file that starts RPC daemons and other TCP/IP daemons.
/etc/services Contains an entry for each server available through Internet
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In a Unix environment, the parent process of a daemon is often, but not always, the init process. A daemon is usually created by a process forking a child process and then immediately exiting, thus causing init to adopt the child process. In addition, a daemon or the operating system typically must perform other operations, such as dissociating the process from any controlling terminal (tty). Such procedures are often implemented in various convenience routines such as daemon(3) in Unix.
Systems often start daemons at boot time: they often serve the function of responding to network requests, hardware activity, or other programs by performing some task. Daemons can also configure hardware (like udevd on some GNU/Linux systems), run scheduled tasks (like cron), and perform a variety of other tasks.
Daemon stands for Disk and Execution Monitor. A daemon is a long-running background process that answers requests for services. The term originated with Unix, but most operating systems use daemons in some form or another. In Windows NT, 2000, and XP, for example, daemons are called "services". In Unix, the names of daemons conventionally end in "d". Some examples include inetd, httpd, nfsd, sshd, named, and lpd.
rstatd Daemon
Purpose
Returns performance statistics obtained from the kernel.
Syntax
/usr/sbin/rpc.rstatd
Description
The rstatd daemon is a server that returns performance statistics obtained from the kernel. The rstatd daemon is normally started by the inetd daemon.
Files
/etc/inetd.conf TCP/IP configuration file that starts RPC daemons and other TCP/IP daemons.
/etc/services Contains an entry for each server available through Internet
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