Windows 7 system uses multi-threading to speed up file copying? (2)

  
Appendix: Detailed options

RoboCopy command copy option

/S: copy subdirectories, but does not copy empty subdirectories.

/E: copy subdirectories, including empty subdirectory.

/LEV: n: n-layer only before the copy source directory tree.

/Z: copy files in restartable mode.

/B: copy files in backup mode.

/ZB: Use restart mode; If access is denied, please use backup mode.

/EFSRAW: copy all encrypted files in EFSRAW mode.

/COPY: copy mark :: file contents to be copied (the default is /COPY: DAT). (Copy tag: D = data, A = attribute, T = timestamp). (S=Security=NTFSACL, O=Owner Information, U=Review Information).

/DCOPY: T: Copy the directory timestamp.

/SEC: copy the security document having (equivalent to /COPY: DATS).

/COPYALL: copy all file information (equivalent to /COPY: DATSOU).

/NOCOPY: do not copy any file information (using take effect with /PURGE).

/SECFIX: repair file security of all files, even skipped files.

/TIMFIX: repair file time of all files, even skipped files.

/PURGE: delete the source no longer exist in the target file /directory.

/MIR: Mirror directory tree (equivalent to /E and /PURGE).

/MOV: Move files (delete from source after copying).

/MOVE: Move files and directories (delete from source after copying).

/A +: [RASHCNET]: given Attributes to copied files.

/A -: [RASHCNET]: Copy a file is deleted from a given property.

/CREATE: CREATE directory tree and zero-length file.

/FAT: create destination files using 8.3FAT file name.

/256: Close Long Path (& gt; 256 characters) support.

/MON: n: monitoring source; run again found to change more than n.

/MOT: m: monitoring source; if you change, run again in m minutes.

/RH: hhmm-hhmm: hours of operation - can start a new copy of the time.

/PF: In (not per) per-file basis check run hours.

/IPG: n: distance (ms) between the package to release the low-speed line bandwidth.

/SL: control target copy symbolic links.

/MT [: n]: n threads using multi-threaded replication (default 8). n must be at least 1, but not greater than 128. This option is not compatible with the /IPG and /EFSRAW options. Use the /LOG option to redirect the output for optimal performance.

file selection options

/A: copy only files with the archive attribute set.

/M: copy only files with the archive attribute and reset archive attribute.

/IA: [RASHCNETO]: includes only files with any given set of properties.

/XA: [RASHCNETO]: exclude files with any given set of properties.

/XF file [file] ...: Exclude files with the given name /path /wildcard match.

/XD directory [directory] ...: exclude names /paths matching the given directory.

/XC: exclude files that have changed.

/XN: exclude newer files.

/XO: exclude older files.

/XX: eliminate redundant files and directories.

/XL: exclude orphaned files and directories.

/IS: contains the same file.

/: include file adjusted.

/MAX: n: the maximum file size - exclude files larger than n bytes.

/MIN: n: minimum file size - exclude files smaller than n bytes.

/MAXAGE: n: there is the longest file - exclude older than n days /date of the file.

/MINAGE: there is the shortest file - Exclude later than n days /date of the file: n.

/MAXLAD: n: maximum Last Access Date - exclude files unused since n.

/MINLAD: n: smallest last access date - exclude files used since n. (Ifn<1900thenn=ndays, elsen=YYYYMMDDdate).

/XJ: negative junction. (usually included by default).

/FFT: assuming the FAT file time (2 seconds granularity).

/DST: DST make up one hour time difference.

/XJD: negative junction directory.

/XJF: joint exclude file.

retry option

/R: n: number of retries on failed copies: default is 1 million.

/W: n: Wait time between retries: default is 30 seconds.

/REG: a /R registry: n and /W: n is saved as the default setting.

/TBD: wait define a shared name (retry error 67).

Logging Options

/L: lists only - do not copy, timestamp or delete any files.

/X: report all redundant files, not just selected files.

/V: generating a verbose output, showing skipped files.

/TS: contains the timestamp of the source file in the output.

/FP: contains the full path name of the file in the output.

/BYTES: print size in bytes.

/NS: No Size - do not log file size.

/NC: No Class - do not log file classes.

/NFL: No File List - do not log file names.

/NDL: No Directory List - do not log directory names.

/NP: No Progress - do not display percentage copied.

/ETA: copying files show the expected arrival time.

/LOG: file: output status to the log file (overwrite existing log).

/LOG +: file: output status to the log file (append to existing log).

/UNILOG: file: as UNICODE state to the log file (overwrite existing log).

/UNILOG +: file: as UNICODE output state to the log file (append to existing log).

/TEE: Output to the console window and log files.

/NJS: no job summary.

/UNICODE: output state as UNICODE.

job options

/JOB: Job Name: extracting parameters from the named job file.

/SAVE: Job Name: Save the parameter file named to the job.

/QUIT: exit process (to view parameters) after the command line.

/NOSD: not specified the source directory.

/NODD: not specified target directory.

/IF: contains the following files.
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