@FAC
** FAC Call: @FAC[,LA] octal-FAC-status . L-Show bit number | A-All bits
  Examples:  @FAC 400010000000  /  @FAC,L 440300000000  /  @FAC 20
END FAC.



@FAC 400010000000
REQUEST REJECTED:
*File does not exist.
* = Causes FAC REJECT.
END FAC.



@FAC 004300100000
 Internal name not unique.
 Write key missing.
 Read key missing.
 File assigned to another run.
END FAC.



@FAC 20
*Not allowed by Quota: file size, no. of tapes, removable packs, @ASG,CV/G, ...
* = Causes FAC REJECT.
END FAC.



@FAC,A
  BIT  0 [35] - REQUEST REJECTED:
  BIT  1 [34] - *Field error, tape option conflict, or nonexistent hardware or directory.
  BIT  2_[33] -  File already @ASG'd (or @FREE'd).
  BIT  3 [32] -  File previously catalogued.
  BIT  4 [31] - *Incompatible equipment type on @ASG (vs. catalogued type) or @MODE (non-tape).
  BIT  5_[30] - *PCT overflow.
  BIT  6 [29] -  Internal name not unique.
  BIT  7 [28] -  File already @ASG,AX.
  BIT  8_[27] - *Incorrect read key.
  BIT  9 [26] - *Incorrect write key.
  BIT 10 [25] -  Write key missing.
  BIT 11_[24] -  Read key missing.
  BIT 12 [23] - *Extraneous read key.
  BIT 13 [22] - *Extraneous write key.
  BIT 14_[21] - *File does not exist.
  BIT 15 [20] - *Invalid reel number or packid for catalogued file.
  BIT 16 [19] - *File rolled out.
  BIT 17_[18] - *Facility not currently available.
  BIT 18 [17] - *Option conflict for catalogued file.
  BIT 19 [16] - *File assigned exclusively to another run.
  BIT 20_[15] -  File assigned to another run.
  BIT 21 [14] - *File exists but was not assigned; drop flag set.
  BIT 22 [13] - *Wrong project for private file.
  BIT 23_[12] -  Equipment type is tape.
  BIT 24 [11] -  File is read-only.
  BIT 25 [10] -  File is read-inhibited (write-only).
  BIT 26_[ 9] - *Equipment requested is down.
  BIT 27 [ 8] - *File disabled -- MFD links destroyed.
  BIT 28 [ 7] -  File disabled -- warning only (write-enabled at system stop).
  BIT 29_[ 6] - *File rolled out; backup unrecoverable.
  BIT 30 [ 5] - *F-cycle conflict.
  BIT 31 [ 4] - *Not allowed by Quota: file size, no. of tapes, removable packs, @ASG,CV/G, ...
  BIT 32_[ 3] - *Security violation.
  BIT 33 [ 2] -  (reserved for future use.)
  BIT 34 [ 1] -  (reserved for future use.)
  BIT 35_[ 0] -  (reserved for future use.)
                * = Causes FAC REJECT.
END FAC.