Linux基础——wipefs磁盘数据擦除工具

 

一、概述

[root@harbor yum.repos.d]# wipefs --helpUsage:wipefs [options] <device>Wipe signatures from a device.Options:-a, --all           wipe all magic strings (BE CAREFUL!)-b, --backup        create a signature backup in $HOME-f, --force         force erasure-i, --noheadings    don't print headings-J, --json          use JSON output format-n, --no-act        do everything except the actual write() call-o, --offset <num>  offset to erase, in bytes-O, --output <list> COLUMNS to display (see below)-p, --parsable      print out in parsable instead of printable format-q, --quiet         suppress output messages-t, --types <list>  limit the set of filesystem, RAIDs or partition tables-h, --help          display this help-V, --version       display versionAvailable output columns:UUID  partition/filesystem UUIDLABEL  filesystem LABELLENGTH  magic string lengthTYPE  superblok typeOFFSET  magic string offsetUSAGE  type descriptionDEVICE  block device nameFor more details see wipefs(8).

二、范例

wipefs
Wipe filesystem, raid, or partition-table signatures from a device.Display signatures for specified device:
sudo wipefs {{/dev/sdX}}Wipe all available signatures for specified device:
sudo wipefs --all {{/dev/sdX}}Perform dry run:
sudo wipefs --all --no-act {{/dev/sdX}}Force wipe, even if the filesystem is mounted:
sudo wipefs --all --force {{/dev/sdX}}

 

 

参考

https://www.cnblogs.com/cainiaoyige1/p/14675392.html
https://www.man7.org/linux/man-pages/man8/wipefs.8.html
指令查看网站
https://www.linux-man.cn/command/?command=ps