icheck(8) [ultrix man page]
icheck(8) System Manager's Manual icheck(8) Name icheck - check inode consistency Syntax /etc/icheck [ -s ] [ -b numbers ] [ filesystem ] Description The command is obsoleted for normal consistency checking by The command examines a file system, builds a bit map of used blocks, and compares this bit map against the free list maintained on the file system. If the file system is not specified, a set of default file systems is checked. The normal output of includes a report of: o The total number of files and the numbers of regular, directory, block special and character special files. o The total number of blocks in use and the numbers of single-, double-, and triple-indirect blocks and directory blocks. o The number of free blocks. o The number of blocks missing, that is, not in any file nor in the free list. The option causes to ignore the actual free list and reconstruct a new one by rewriting the super-block of the file system. The file sys- tem should be dismounted while this is done; if this is not possible (for example if the root file system has to be salvaged) care should be taken that the system is quiescent and that it is rebooted immediately afterwards so that the old, bad in-core copy of the super-block will not continue to be used. Notice also that the words in the super-block which indicate the size of the free list and of the i-list are believed. If the super-block has been curdled these words will have to be patched. The option causes the normal output reports to be sup- pressed. Following the option is a list of block numbers; whenever any of the named blocks turns up in a file, a diagnostic is produced. The command is faster if the raw version of the special file is used, since it reads the i-list many blocks at a time. Diagnostics For duplicate blocks and bad blocks (which lie outside the file system) announces the difficulty, the i-number, and the kind of block involved. If a read error is encountered, the block number of the bad block is printed and considers it to contain 0. `Bad freeblock' means that a block number outside the available space was encountered in the free list. `n dups in free' means that n blocks were found in the free list which duplicate blocks either in some file or in the earlier part of the free list. Restrictions Since is inherently two-pass in nature, extraneous diagnostics may be produced if applied to active file systems. It believes even preposterous super-blocks and consequently can get core images. Files Default file systems vary with installation. See Also fs(5), clri(8), dcheck(8), fsck(8), ncheck(8) icheck(8)
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df(1M) df(1M) NAME
df - report number of free file system disk blocks SYNOPSIS
FStype] specific_options] [special|directory]... DESCRIPTION
The command displays the number of free 512-byte blocks and free inodes available for file systems by examining the counts kept in the superblock or superblocks. If a special or a directory is not specified, the free space on all mounted file systems is displayed. If the arguments to are path names, reports on the file systems containing the named files. If the argument to is a special of an unmounted file system, the free space in the unmounted file system is displayed. Options recognizes the following options: Report only the number of kilobytes (KB) free. Report the number of files free. Report only the actual count of the blocks in the free list (free inodes are not reported). Report only on the FStype file system type (see fstyp(1M)). Report the entire structure described in statvfs(2). Report the total number of inodes, the number of free inodes, number of used inodes, and the percentage of inodes in use. Report the allocation in kilobytes (KB). Report on local file systems only. Report the file system name. If used with no other options, display a list of mounted file system types. Specify options specific to each file system type. specific_options is a comma-separated list of suboptions intended for a specific FStype module of the command. See the file-system-specific manual entries for further details. Report the name of the file system, the size of the file system, the number of blocks used, the number of blocks free, the percentage of blocks used and the directory below which the file system hierarchy appears. Do not sync the file system data on the disk before reporting the usage. Note that the data reported by may not be up to date. Report the total allocated block figures and the number of free blocks. Report the percentage of blocks used, the number of blocks used, and the number of blocks free. This option cannot be used with other options. Echo the completed command line, but perform no other action. The command line is generated by incorporating the user-specified options and other information derived from This option allows the user to verify the command line. EXTERNAL INFLUENCES
Environment Variables determines the language in which messages are displayed. If is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty vari- able. If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are set to "C". See environ(5). International Code Set Support Single-byte and multi-byte character code sets are supported. EXAMPLES
Report the number of free disk blocks for all mounted file systems: Report the number of free disk blocks for all mounted HFS file systems: Report the number of free files for all mounted NFS file systems: Report the total allocated block figures and the number of free blocks, for all mounted file systems: Report the total allocated block figures and the number of free blocks, for the file system mounted as FILES
File system devices Static information about the file systems Mounted file system table SEE ALSO
du(1), df_hfs(1M), df_vxfs(1M), fsck(1M), fstyp(1M), statvfs(2), fstab(4), mnttab(4). STANDARDS CONFORMANCE
df(1M)