CANON_DC
CANON_DC -
a default memory card name set by the Canon cameras, like Canon PowerShot, during format.
Capacity clipping
Capacity clipping -
a phenomenon where the usable storage device size is less than its nominal or advertised size.
Card reader
Card reader -
a device to read data from memory cards.
Caviar
Caviar -
a family of hard drives by Western Digital.
CHKDSK
CHKDSK - the program to check the consistency and possibly to repair the errors in Windows filesystems.
Click of death
Click of death -
clicking sound produced by a failed disk.
Cluster
Cluster - a minimum unit of disk space used in a filesystem.
Complete format
Complete format -
a type of the format process when data is deleted irreversibly (in this case it is impossible to recover data).
See also quick format.
Compression
Compression (in filesystems) -
the technology to save a disk space.
A filesystem driver can compress data using algorithms similar to those used in ZIP.
For the first time this technology has been implemented in Stacker (created by Stac Electronics) circa 1990,
also Microsoft has used it in MS-DOS 6.0 (DoubleSpace).
Currently, the compression is used in NTFS and ZFS.
Copy-on-write
Copy-on-write - see Deduplication.
Crash dump
Crash dump -
a snapshot of the system memory in the moment of a system crash.
It allows determining which of the system components caused the system crash.
CRC
CRC (Cyclic Redundancy Code) -
the method of calculating a checksum, used to detect errors in data streams.
Cross-linked files
Cross-linked files -
a filesystem error when a cluster is marked as belonging to several files at the same time,
thereby making several files share the same disk space.
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