How do I check and repair MS-DOS file systems under Linux?

You can use Linux fsck (check and repair a Linux file system) program. However normal fsck looks for ext2 or ext3 file system. Use dosfsck program that check and repair MS-DOS file systems.

ADVERTISEMENTS

It verifies the consistency of MS-DOS file systems and optionally tries to repair them. For example, run dosfsck on a MS-DOS formatted floppy disk:

# dosfsck /dev/fd0

The following file system problems can be corrected using this program:

  • FAT contains invalid cluster numbers.
  • Directories with a large number of bad entries (probably corrupt). The directory can be dropped.
  • Files . and .. are non-directories.
  • Directories . and .. in root directory. They are dropped.
  • Bad file names. They can be renamed.
  • Duplicate directory entries. They can be dropped or renamed.
  • Directory . does not point to parent directory. The start pointer is adjusted.
  • File contains bad or free clusters. The file is truncated etc
🐧 Get the latest tutorials on SysAdmin, Linux/Unix, Open Source/DevOps topics:
CategoryList of Unix and Linux commands
File Managementcat
FirewallCentOS 8 OpenSUSE RHEL 8 Ubuntu 16.04 Ubuntu 18.04 Ubuntu 20.04
Network Utilitiesdig host ip nmap
OpenVPNCentOS 7 CentOS 8 Debian 10 Debian 8/9 Ubuntu 18.04 Ubuntu 20.04
Package Managerapk apt
Processes Managementbg chroot cron disown fg jobs killall kill pidof pstree pwdx time
Searchinggrep whereis which
User Informationgroups id lastcomm last lid/libuser-lid logname members users whoami who w
WireGuard VPNCentOS 8 Debian 10 Firewall Ubuntu 20.04

ADVERTISEMENTS
0 comments… add one

Leave a Reply

Your email address will not be published.

Use HTML <pre>...</pre>, <code>...</code> and <kbd>...</kbd> for code samples.