Undeletable file Post: 303036998

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Operating Systems OS X (Apple) Undeletable file Post 303036998 by Neo on Saturday 20th of July 2019 07:26:12 AM

07-20-2019

Administrator

Here is an OSX man page for clri

Code:

https://www.unix.com/man-page/osx/8/clri/

Also available as an OpenDarwin man page:

Code:

https://www.unix.com/man-page/opendarwin/8/clri/

Quoting:

Quote:

Clri is obsoleted for normal file system repair work by fsck(8).

Clri zeros out the inodes with the specified inode number(s) on the filesystem residing on the given special_device. The fsck(8) utility is
usually run after clri to reclaim the zero'ed inode(s) and the blocks previously claimed by those inode(s). Both read and write permission
are required on the specified special_device.

The primary purpose of this routine is to remove a file which for some reason is not being properly handled by fsck(8). Once removed, it is
anticipated that fsck(8) will be able to clean up the resulting mess.

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clri

clri(1M)																  clri(1M)

NAME

       clri - clear inode

SYNOPSIS

       special i-number  ...

DESCRIPTION

       The  command  clears  the  inode i-number by filling it with zeros.  special must be a special file name referring to a device containing a
       file system.  For proper results, special should not be mounted (see WARNINGS below).  After is executed, all blocks in the  affected  file
       show up as "missing" in an of special (see fsck(1M)).  This command should only be used in emergencies.

       Read and write permission is required on the specified special device.  The inode becomes allocatable.

WARNINGS

       The  primary  purpose of this command is to remove a file that for some reason does not appear in any directory.  If it is used to clear an
       inode that does appear in a directory, care should be taken to locate the entry and remove it.  Otherwise, when the inode is reallocated to
       some  new file, the old entry in the directory will still point to that file.  At that point, removing the old entry destroys the new file,
       causing the new entry to point to an unallocated inode, so the whole cycle is likely to be repeated again.

       If the file system is mounted, is likely to be ineffective.

DEPENDENCIES

       operates only on file systems of type

SEE ALSO

       fsck(1M), fsdb(1M), ncheck(1M).

STANDARDS CONFORMANCE

       clri: SVID2, SVID3

																	  clri(1M)