Chapter 15. Checking and repairing a file system

本文详细介绍Linux下fsck、mount和umount命令的使用方法，包括命令参数、挂载原理及常见卸载问题解决技巧，同时概述了Linux软件安装的多种途径。

以下是各種 fsck 的使用範例，透過這些例子可以很快了解如何使用 fsck 來檢查自己的硬碟資料，並且修正錯誤。 parted /dev/sda 'print'

These tools are often referred to as fsck tools, where fsck is a shortened version of file system check. In most cases, these utilities are run automatically during system boot, if needed, but can also be manually invoked if required.

Follow this guide to learn how to use fsck to check and repair filesystem on a Linux machine. The tutorial will list examples of how to use the tool and for which use cases.

⚠️ 不要在已掛載的分割區上直接跑 fsck，尤其是 / root，否則可能會毀損資料。

fsck stands for :file system consistency check:. On most systems, fsckis run at boot time if certain conditions are detected. Usually, these conditions are: 1. A file system is marked as "dirty" — its written state is inconsistent with data that

When a USB stick is mounted as read-only, it’s often because Linux detects file system corruption and automatically limits write access to prevent further damage. Running fsck helps detect and fix these errors. Once fsck completes successfully, try