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clri(1m)

System Administration Commands                                        clri(1M)



NAME
       clri, dcopy - clear inode

SYNOPSIS
       clri [-F FSType] [-V] special i-number


       dcopy [-F FSType] [-V] special i-number


DESCRIPTION
       clri  writes  zeros on the inodes with the decimal i-number on the file
       system stored on  special. After  clri, any blocks in the affected file
       show up as missing in an  fsck(1M) of special.


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


       The primary purpose of this routine is to remove a file that  for  some
       reason appears in no directory. If it is used to zap an inode that does
       appear in a directory, care should be taken to track down the entry and
       remove  it.  Otherwise, when the inode is reallocated to some new file,
       the old entry will still point to that file. At  that  point,  removing
       the old entry will destroy the new file. The new entry will again point
       to an unallocated inode, so the whole cycle is likely  to  be  repeated
       again and again.


       dcopy is a symbolic link to clri.

OPTIONS
       -F FSType    Specify  the   FSType  on  which  to  operate. The  FSType
                    should either be specified here or  be  determinable  from
                    /etc/vfstab  by matching  special with an entry in the ta‐
                    ble, or by consulting /etc/default/fs.


       -V           Echo the complete command line, but  do  not  execute  the
                    command.  The  command  line  is  generated  by  using the
                    options and arguments provided by the user and  adding  to
                    them  information  derived  from  /etc/vfstab. This option
                    should be used to verify and validate the command line.


USAGE
       See largefile(5) for the description of the behavior of clri and  dcopy
       when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).

FILES
       /etc/default/fs    Default local file system type


       /etc/vfstab        List of default parameters for each file system


ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:




       tab()   box;   cw(2.75i)  |cw(2.75i)  lw(2.75i)  |lw(2.75i)  ATTRIBUTE
       TYPEATTRIBUTE VALUE _ Availabilitysystem/core-os


SEE ALSO
       fsck(1M), vfstab(4), attributes(5), largefile(5)

NOTES
       This command might not be supported for all FSTypes.



SunOS 5.11                        16 Sep 1996                         clri(1M)
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