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Annotation of coherent/a/usr/man/COHERENT/fsck, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: fsck                         Command                         fsck
        !             4: 
        !             5: 
        !             6: 
        !             7: 
        !             8: Check and repair file systems interactively
        !             9: 
        !            10: /eettcc/ffsscckk [ -ffnnqqyy ] [ -tt _t_e_m_p_f_i_l_e ] [ _f_i_l_e_s_y_s_t_e_m ... ]
        !            11: 
        !            12: fsck checks  and interactively repairs  file systems.  If  all is
        !            13: well, ffsscckk merely prints the  number of files used, the number of
        !            14: blocks used, and the number of blocks that are free.  If the file
        !            15: system is found to be inconsistent in one of the aspects outlined
        !            16: below,  ffsscckk asks  whether it  should  fix the  inconsistency and
        !            17: waits for you to reply yyeess or nnoo.
        !            18: 
        !            19: The following file  system aspects are checked for consistency by
        !            20: fsck:
        !            21: 
        !            22: *  If  a block is claimed  by more than one  i-node, by an i-node
        !            23:    and the free list, or more than once in the free list.
        !            24: 
        !            25: *  Whether  an i-node or  the free list claims  blocks beyond the
        !            26:    file system's range.
        !            27: 
        !            28: *  Link counts that are incorrect.
        !            29: 
        !            30: *  Whether the directory size is not aligned for 16 bytes.
        !            31: 
        !            32: *  Whether the i-node format is correct.
        !            33: 
        !            34: *  Whether any blocks are not accounted for.
        !            35: 
        !            36: *  Whether a file points to an unallocated i-node.
        !            37: 
        !            38: *  Whether a file's i-node number is out of range.
        !            39: 
        !            40: *  Whether the super block refers to more than 65,536 i-nodes.
        !            41: 
        !            42: *  Whether  the super block  assigned more blocks  to the i-nodes
        !            43:    than the system contains.
        !            44: 
        !            45: *  Whether the format of the free block list is correct.
        !            46: 
        !            47: *  Whether  the counts of the  total free blocks and  the free i-
        !            48:    nodes are correct.
        !            49: 
        !            50: fsck prints  a warning message when  a file name is  null, has an
        !            51: embedded slash  `/', is not null-padded, or if  `.' or `..' files
        !            52: do not have the correct i-node numbers.
        !            53: 
        !            54: When ffsscckk repairs a file  system, any file that is orphaned (that
        !            55: is, allocated  but not referenced) is deleted if  it is empty, or
        !            56: copied to  a directory called lloosstt+ffoouunndd,  with its i-node number
        !            57: as its name.  The directory  lloosstt+ffoouunndd must exist in the root of
        !            58: the file  system being  checked before  ffsscckk is executed,  and it
        !            59: must have room for  new entries without requiring that new blocks
        !            60: be allocated.
        !            61: 
        !            62: 
        !            63: 
        !            64: COHERENT Lexicon                                           Page 1
        !            65: 
        !            66: 
        !            67: 
        !            68: 
        !            69: fsck                         Command                         fsck
        !            70: 
        !            71: 
        !            72: 
        !            73: fsck accepts the following options:
        !            74: 
        !            75: -ff Fast check.  ffsscckk only checks whether a block has been claimed
        !            76:    by more  than one i-node, by  an i-node and the  free list, or
        !            77:    more  than once  in the  free list.   If necessary,  ffsscckk will
        !            78:    reconstruct the free list.
        !            79: 
        !            80: -nn No  option: a default  reply of nnoo  is given to  all of ffsscckk's
        !            81:    questions.
        !            82: 
        !            83: -qq Quiet option: run quietly.  ffsscckk automatically removes all un-
        !            84:    referenced pipes,  and automatically fixes list  counts in the
        !            85:    super block and the free list.  File-name warning messages are
        !            86:    suppressed, but  ffsscckk still prints  the number of  files used,
        !            87:    the  number of  blocks  used, and  the number  of blocks  that
        !            88:    remain free.
        !            89: 
        !            90: -tt Specify temporary file option: ffsscckk uses RAM device /ddeevv/rrrraamm11
        !            91:    for  temporary storage when  checking filesystems  larger than
        !            92:    approximately 35  megabytes.  This  option allows the  user to
        !            93:    specify temporary storage other than the RAM device.
        !            94: 
        !            95: -yy Yes option:  a default reply of yyeess is  given to all of ffsscckk's
        !            96:    questions.
        !            97: 
        !            98: If you  do not name  a file system  in ffsscckk's command  line, ffsscckk
        !            99: checks the file systems named in the file /eettcc/cchheecckklliisstt.
        !           100: 
        !           101: If fsck is invoked for a file system larger than approximately 35
        !           102: megabytes,  it  uses  the  RAM  device /dev/rram1  for  temporary
        !           103: storage.  For  this reason, it  is strongly advised  that you not
        !           104: use /dev/rram1 as a RAM disk.
        !           105: 
        !           106: ***** Files *****
        !           107: 
        !           108: /eettcc/cchheecckklliisstt
        !           109: 
        !           110: ***** See Also *****
        !           111: 
        !           112: clri, commands, icheck, ncheck, ram, sync, umount
        !           113: 
        !           114: ***** Notes *****
        !           115: 
        !           116: The  correction  of  file  systems  almost  always  involves  the
        !           117: destruction of data.
        !           118: 
        !           119: You can run fsck only  when the COHERENT system is in single-user
        !           120: mode.
        !           121: 
        !           122: Previous editions of fsck could check no partition larger than 35
        !           123: megabytes.  This restriction has been lifted.
        !           124: 
        !           125: 
        !           126: 
        !           127: 
        !           128: 
        !           129: 
        !           130: COHERENT Lexicon                                           Page 2
        !           131: 
        !           132: 

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