How to format ext4 on U disk under CentOS7

Be sure to uninstall before formatting, the uninstall command is: umount /dev/sdc (uninstall whatever is displayed)

Format as ext4 command method:

sudo mkfs.ext4 /dev/sdc

This is formatted as ext4 format.

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Origin blog.csdn.net/weixin_44881103/article/details/107015055