ATTRIB.EXE (a) Target file/folder not found                    = ERRORLEVEL 1 (b) Invalid switch                                  = ERRORLEVEL 1 (c) Sharing violation (target file in use)          = ERRORLEVEL 1 (d) Invalid drive specification                     = ERRORLEVEL 1 (e) Drive not ready (either Abort or Fail reply)    = ERRORLEVEL 1 (f) Invalid/wrong number of parameters              = ERRORLEVEL 1 EXTRACT.EXE (a) Invalid switch                                  = ERRORLEVEL 1 FC.EXE (a) Insufficient number of filespecs                = ERRORLEVEL 1 (b) Too many filenames on command line              = ERRORLEVEL 1 (c) Sharing Violation + Abort reply                 = ERRORLEVEL 5      (Note: Fail reply returns ERRORLEVEL 0) (d) Drive not ready                                 = ERRORLEVEL 18      (Note: Fail reply returns ERRORLEVEL 0) FIND.EXE (a) Target string found    (=f0und)                  = ERRORLEVEL 0 (b) Target string missing (=m1ssing)                = ERRORLEVEL 1 (c) find /?                                         = ERRORLEVEL 1 (d) Parameter format not correct                    = ERRORLEVEL 2 (e) Specified file to search not found              = ERRORLEVEL 2 (f) Specified file in use + Fail reply              = ERRORLEVEL 2 (g) Drive not ready + Fail reply                    = ERRORLEVEL 2 (h) Specified file in use + Abort reply             = ERRORLEVEL 5 (i) Drive not ready + Abort reply                   = ERRORLEVEL 5 FORMAT.COM (a) Drive not ready                                 = ERRORLEVEL 4      (There is no Abort, Retry, Fail stall) FTP.EXE (a) Brief help (use: ftp -h for Brief help)         = ERRORLEVEL 2 (b) Error opening script file (file missing)        = ERRORLEVEL 2 (c) Invalid switch                                  = ERRORLEVEL 2 MORE.COM (a) Invalid switch (MORE doesn't accept switches)   = ERRORLEVEL 1 (b) Drive not ready (Abort reply)                   = ERRORLELEL 5      (Note: Fail reply returns ERRORLEVEL 0) MOVE.EXE (a) Required parameter missing                      = ERRORLEVEL 1 (b) Unable to create destination                    = ERRORLEVEL 1 (c) Unable to open source                           = ERRORLEVEL 1      (you see this when trying to MOVE a folder from one drive       to another. You need to use XCOPY /S followed by DELTREE,       since MOVE won't handle folder moves across drives) (d) Sharing violation + Fail reply                  = ERRORLEVEL 1      (Note: file is nevertheless COPIED, not moved, in this case) (e) Sharing violation + Abort reply                 = ERRORLEVEL 5      (Note: file is nevertheless COPIED, not moved, in this case) (f) Drive not ready (Abort reply)                   = ERRORLEVEL 18      (Note: Fail reply - unusually - returns ERRORLEVEL 1) PING.EXE (a) Unknown host                                    = ERRORLEVEL 1      (usually=name not found on DomainNameServer) (b) Brief help (with no parameter)                  = ERRORLEVEL 1 Note: for PING Brief help with /? switch, ERRORLEVEL is 0 (c) Invalid switch                                  = ERRORLEVEL 1      (and displays the Brief help as well) (d) Interrupted with [Ctrl-C]                       = ERRORLEVEL 255 SORT.EXE (a) Invalid switch                                  = ERRORLEVEL 1 (b) Drive not ready (Abort reply)                   = ERRORLEVEL 15      (Note: Fail reply returns ERRORLEVEL 0) START.EXE (a) start /? (real mode)                            = ERRORLEVEL 1 (b) start /? (GUI)                                  = ERRORLEVEL 255 (c) Can't find file specified for START             = ERRORLEVEL 255 (d) No file association for specified file          = ERRORLEVEL 255 (e) Drive not ready                                 = ERRORLEVEL 255      (There is no Abort, Retry, Fail stall) SUBST.EXE (a) Invalid parameter                               = ERRORLEVEL 1 (b) Invalid switch                                  = ERRORLEVEL 1 (c) Path not found                                  = ERRORLEVEL 1 (d) Drive not ready (Abort reply)                   = ERRORLEVEL 21      (Note: Fail reply - unusually - returns ERRORLEVEL 1) TRACERT.EXE (a) Unable to resolve target system name            = ERRORLEVEL 1      (usually=name not found on DomainNameServer) (b) Invalid switch                                  = ERRORLEVEL 1 (c) Brief help (no parameter)                       = ERRORLEVEL 1 (d) Interrupted with [Ctrl-C]                       = ERRORLEVEL 255 Note: for TRACERT Brief help, type command without parameters XCOPY.EXE (a) File not found                                  = ERRORLEVEL 1 (b) Invalid date in /d switch                       = ERRORLEVEL 4 (c) Invalid number of parameters                    = ERRORLEVEL 4 (d) Invalid parameter                               = ERRORLEVEL 4 (e) Device not ready                                = ERRORLEVEL 4 (f) Unable to create directory                      = ERRORLEVEL 4 (g) System can't find file                          = ERRORLEVEL 5      (this occurs when device such as NUL is used as Source file)