Important Linux terms

Names and abbreviations you should know

Here's a list of important terms you should know when working with Linux:

Arch: A popular Linux distribution known for its rolling release model.
Block device: The building block of storage.
Command line interface or CLI: A text-based interface for interacting with the operating system.
Container: A lightweight, isolated environment for running applications and their dependencies.
Cron: A time-based job scheduler in Linux-like operating systems.
Daemon: A background process that runs on a Linux system.
Debian: A popular Linux distribution.
Device: A physical or virtual component that is accessible to the system.
DHCP: Dynamic Host Configuration Protocol, a service that assigns IP addresses to devices on a network.
Directory: A container for files and other directories.
Distro: Short for distribution, a version of Linux with its own set of packages and tools.
DNS: Domain Name System, a service that translates domain names to IP addresses.
ext4: A popular file system for Linux.
FAT: A popular file system for USB sticks.
Fedora: A popular Linux distribution sponsored by Red Hat.
File: A collection of data stored on a Linux system.
FTP: File Transfer Protocol, a standard for transferring files over a network.
Gentoo: A popular Linux distribution known for its flexibility and customization options.
gid: The identifier for a group.
Group: A collection of users that can be assigned permissions as a single unit.
Grub: A boot loader for Linux systems.
GUI: Graphical User Interface
Hypervisor: A software that allows multiple virtual machines to run on a single physical host.
ICMP: Ping to test if a server replies.
IMAP: Internet Message Access Protocol, a standard for accessing email on a mail server.
IOWait: A metric for measuring performance.
IRQ: A hardware signal to the CPU.
Kerberos: A network authentication protocol that uses secret-key cryptography.
Kernel: The core of the operating system that manages system resources and communicates with hardware.
LDAP: Lightweight Directory Access Protocol, a standard for storing and retrieving directory information.
Load average: A measure for system performance.
Logging: Recording of events that have occurred on a Linux system.
LVM: Logical Volume Manager, a system for managing and organizing disk storage.
Man Page: Documentation for commands and functionalities.
Mounting: Making data on a device accessible.
NFS: Network File System, a protocol for sharing files over a network.
NTFS: Microsoft's file system for Linux.
NTP: Network Time Protocol, a service that synchronizes the clocks of networked devices.
Operating system: A software layer between hardware and applications.
Package: A collection of software that can be installed and managed as a single unit.
Partition: A section of a storage device that is set aside for a specific use or file system.
Permission: The level of access a user or group has to a file or directory.
PID: The identifier of a running process.
Pipe: A feature that allows the output of one command to be used as the input for another command.
POP3: Post Office Protocol version 3, a standard for retrieving email from a mail server.
Process: A program that is currently running on a Linux system.
RAID: Redundant Array of Independent Disks, a system for providing data redundancy and increased performance.
RDP: A protocol for remotely accessing Windows servers.
Repository: A collection of packages that can be installed on a Linux system.
Root: The superuser account on a Linux system.
SCP: Secure Copy Protocol, a command-line utility for securely transferring files over SSH.
SELinux: A security enhancement to the Linux kernel that provides a mechanism for supporting access control policies.
Service: A program that runs in the background and provides a specific function.
SFTP: Secure File Transfer Protocol, a secure variant of FTP that uses SSH for encryption.
Shell: A command-line interface that allows users to interact with the operating system.
Slackware: A popular Linux distribution known for its simplicity and stability.
SMTP: Simple Mail Transfer Protocol, a standard for sending email.
SNMP: Simple Network Management Protocol, a standard for monitoring network devices.
SSH: A protocol for securely connecting to remote servers.
SSH-key: A key pair for securely logging in to a remote server over SSH.
Superuser: The root account on a Linux system.
Symlink: A special type of file that points to another file or directory.
Syslog: A standard for logging system events.
TCP: A widely used communication protocol.
Terminal: A program that provides a command-line interface.
Ubuntu: A popular Linux distribution based on Debian.
UDP: A widely used communication protocol.
uid: The identifier of a user.
User: A regular account on a Linux system.
UUID: An identifier that is almost unique.
VFAT: A file system for USB drives.
Virtual machine: A simulation of a computer system, created using virtualization software.
Virtualization: The process of creating a virtual environment on a physical machine, allowing multiple operating systems to run on the same hardware.
VNC: A protocol for remotely accessing graphical desktop environments.
XFS: A file system for linux.
ZFS: Another file system for linux.