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Linux Intermediate

What is Fdisk?

A command-line utility for managing disk partition tables on Linux systems.

Fdisk creates, deletes, resizes, and manages partitions on hard drives and SSDs. It supports MBR (Master Boot Record) partition tables. For GPT (GUID Partition Table), use gdisk or parted instead.

Usage: fdisk /dev/sda opens the interactive partition editor. Common operations include creating new partitions (n), deleting (d), changing types (t), listing (p), and writing changes (w). Always back up data before partitioning.

Related Terms

LVM (Logical Volume Manager)
A storage management framework that provides flexible disk management through abstract layers of physical and logical volumes.
Bash Script
A text file containing a series of shell commands that are executed sequentially by the Bash interpreter.
Nohup
A command that runs a process immune to hangup signals, allowing it to continue after the terminal session ends.
Dmesg
A command that displays kernel ring buffer messages, useful for diagnosing hardware and driver issues.
SELinux
Security-Enhanced Linux — a mandatory access control system that confines programs to minimum required privileges beyond standard file permissions.
Cgroup
A Linux kernel feature that limits, accounts for, and isolates resource usage of process groups.
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