Fsck
| fsck | |
|---|---|
| fsck in action on a Linux system. | |
| Operating system | Unix and Unix-like | 
| Type | Command | 
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. The equivalent programs on MS-DOS and Microsoft Windows are CHKDSK, SFC, and SCANDISK.