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CHKDSK requires exclusive write access to the volume to perform repairs. [14] [15] Due to the requirement of the monopolized access to the drive, the CHKDSK cannot check the system disk in the normal system mode. Instead, the system sets a dirty bit to the disk volume and then reboots the computer.
The system utility fsck (file system check) is a tool for checking the consistency of a file system in Unix and Unix-like operating systems, such as Linux, macOS, and FreeBSD. [1] The equivalent programs on MS-DOS and Microsoft Windows are CHKDSK, SFC, and SCANDISK.
SystemRescue is not intended to be used as a permanent operating system. It runs from a Live CD, a USB flash drive or any type of hard drive. It was designed by a team led by François Dupoux, and is based on Arch Linux since version 6.0. [6] Starting with version 6.0, it has systemd as its init system. [7]
CHKDSK verifies a storage volume (for example, a hard disk, disk partition or floppy disk) for file system integrity. The command has the ability to fix errors on a volume and recover information from defective disk sectors of a volume. The command is available in MS-DOS versions 1 and later. [1]
The GParted project provides a live operating system including GParted which can be written to a Live CD, a Live USB and other media. [8] The operating system is based on Debian . GParted is also available on other Linux live CDs, including recent versions of Puppy , Knoppix , SystemRescueCd [ 9 ] and Parted Magic .
MS-DOS/PC DOS versions 4.0 and earlier assign letters to all of the floppy drives before considering hard drives, so a system with four floppy drives would call the first hard drive E:. Starting with DOS 5.0, the system ensures that drive C: is always a hard disk, even if the system has more than two physical floppy drives.
Microsoft ships this utility with Windows 98, Windows 2000 and all subsequent versions of the Windows NT family of operating systems. In Windows Vista, Windows 7 and Windows 10, System File Checker is integrated with Windows Resource Protection (WRP), which protects registry keys and folders as well as critical system files.
Checking the S.M.A.R.T. status of a hard disk; Disk Utility functions may also be accessed from the macOS command line with the diskutil and hdiutil commands. [3] It is also possible to create and manage RAM disk images by using hdiutil and diskutil in terminal. [4]