# quotacheck > Scan a filesystem for disk usage; create, check and repair quota files. > It is best to run quota check with quotas turned off to prevent damage or loss to quota files. > More information: . - Check quotas on all mounted non-NFS filesystems: `sudo quotacheck --all` - Force check even if quotas are enabled (this can cause damage or loss to quota files): `sudo quotacheck --force {{mountpoint}}` - Check quotas on a given filesystem in debug mode: `sudo quotacheck --debug {{mountpoint}}` - Check quotas on a given filesystem, displaying the progress: `sudo quotacheck --verbose {{mountpoint}}` - Check user quotas: `sudo quotacheck --user {{user}} {{mountpoint}}` - Check group quotas: `sudo quotacheck --group {{group}} {{mountpoint}}`