df - display free disk space
[-akP ] [-T type ] | [[ file ...] [ filesystem ... ]] df(1) utility displays statistics about the amount of
free disk space on the specified filesystem or on the file
system of which file is a part. Values are displayed in
512-byte per block block counts. If neither a file nor a file
system operand is specified, df(1) displays statistics for
drives C through Z. (The (1) utility reports on drives /A and /B if they
are specified as operands, however.)
Report statistics on all drives,
Blocks are in counts of 1024 bytes (one kilobyte) instead of
Prevent the display of the Type column in the output. This is
the portable output format specified in the POSIX.2 standard.
-T type Print only statistics for file systems of the specified
type. The recognized types are:
All file system types.
CD-ROM file system.
File Allocation Table file system (such as on MS-DOS
File system used by OS/2.
Network File System. A remote file system developed by SUN
Microsystems for UNIX.
File system used by Windows NT, Windows 2000, and
Object File System.
Networked SAMBA file system.
This option is ignored if either file or filesystem
Typical output is:
The columns are:
Filesystem 512-blocks Used Available Capacity Type Mounted on
/Harddisk0/Partition1 3169088 1691069 1478019 53% ntfs /C
/CdRom0 1085320 1085320 0 100% cdfs /D
/MORGAN/c_drive 2491713 2308884 182829 93% ntfs /M
/MORGAN/nt_src 792272 748651 43621 94% ntfs /N
/MORGAN/products 979760 526281 453479 54% ntfs /P
/MORGAN/VSC_suites 2491713 2308884 182829 93% ntfs /W
$ df -kP /D
Filesystem 1024-blocks Used Available Capacity Mounted on
/CdRom0 542660 542660 0 100% /D
The path name of the file system.
Number of blocks in the file system. With the
these blocks are 1024-bytes, not 512.
Number of blocks currently in use.
Number of blocks available.
Current usage expressed as a percentage.
The type of the file system. This can be any of the values
acceptable as arguments to the
-T option, or ??? if
the file system type is unknown.
The file system's mount point.
df(1) utility exits with status 0 on success, >0