4BSD/usr/man/cat1/df.1

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DF(1)               UNIX Programmer's Manual                DF(1)



NAME
     df - disk free

SYNOPSIS
     df [ -i ] [ -l ] [ filesystem ... ] [ file ... ]

DESCRIPTION
     _D_f prints out the number of free blocks available on the
     specified _f_i_l_e_s_y_s_t_e_m, e.g. ``/dev/rp0a'', or on the filesys-
     tem in which the specified _f_i_l_e, e.g. ``$HOME'', is con-
     tained.  If no file system is specified, the free space on
     all of the normally mounted file systems is printed.

     The reported numbers are in file system block units;
     currently each filesystem block is 1024 bytes long, twice
     the size of the blocks reported by _d_u(1) or _l_s(1) with the
     -s option.

     Other options are:

     -i   Report also the number of inodes which are used and
          free.

     -l   examines also the free list, double checking that the
          summary number in the filesystem superblock is correct.

FILES
     /etc/fstab     list of normally mounted filesystems

SEE ALSO
     fstab(5), icheck(8), quot(8)
























Printed 11/10/80                                                1