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Linux Intermediate

What is Daemon?

A background process that runs continuously on a system, typically providing services like web serving or logging.

Daemons are background processes that start during system boot or on demand and run without direct user interaction. Common examples include httpd (web server), sshd (SSH server), and cron (task scheduler).

The name comes from Greek mythology, referring to helpful supernatural beings. In Linux, daemons are conventionally named with a "d" suffix.

Related Terms

Netstat
A command-line tool that displays network connections, routing tables, and interface statistics on a system.
Network Namespace
A Linux kernel feature that provides isolated network stacks with independent interfaces, routing tables, and firewall rules.
Find
A powerful command for searching files and directories based on various criteria like name, size, type, and modification time.
File Permissions
A security mechanism that controls who can read, write, or execute files and directories in Unix-like systems.
Environment Path
The PATH variable that tells the shell which directories to search when looking for executable commands.
Sysfs (/sys)
A virtual filesystem that exports information about kernel subsystems, hardware devices, and device drivers in a structured hierarchy.
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