errorlevel

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

CHOICE.COM

(a) With reply list, and reply nn in list       = ERRORLEVEL nn

(This reply list position = return code is main use of CHOICE)

(b) Invalid switch                               = ERRORLEVEL 255

(c) Invalid switch syntax                          = ERRORLEVEL 255

(d) Timeout default not in reply list              = ERRORLEVEL 255

(e) choice /?                                      = ERRORLEVEL 255

CSCRIPT.EXE

(a) Cannot find script file                      = ERRORLEVEL 1

(b) No script engine for file extension          = ERRORLEVEL 1

(c) No file extension in script file             = ERRORLEVEL 1

(d) Drive not ready                                = ERRORLEVEL 1

(There is no Abort, Retry, Fail stall)

DELTREE.EXE

(a) Required parameter missing                   = ERRORLEVEL 1

(b) Invalid switch                               = ERRORLEVEL 1

(c) deltree /?                                  = ERRORLEVEL 1

(d) Not ready reading drive (Abort reply)       = ERRORLEVEL 18

(Note: Fail reply returns ERRORLEVEL 0)

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

KEYB.COM

(a) Invalid switch                               = ERRORLEVEL 1

(b) Invalid keyboard code specified             = ERRORLEVEL 1

(c) keyb /?                                     = ERRORLEVEL 1

MEM.EXE

(a) Invalid switch                               = ERRORLEVEL 1

MODE.COM

(a) Invalid parameter                            = ERRORLEVEL 1

(b) Invalid switch                               = ERRORLEVEL 1

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