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Ren (command)

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ren (or rename) is a shell command for renaming a file and in some implementations (such as AmigaDOScite-ref-1[1]) a directory.

Some shells with ren also provide a move command that provides for moving between directories. On systems that do not support a move command (such as MS-DOS older than 6.00), the user could copy a file to a new destination and then delete the original file. In DOSBox, ren can move files.

The command is in various shells such as COMMAND.COM, Command Prompt,cite-ref-2[2] 4DOS, 4NT and PowerShell. In MS-DOS, the command is available in versions 1 and later.cite-ref-runningmsdos-3-0[3] In PowerShell, ren is a predefined alias for the Rename-Item Cmdlet which serves the same essential purpose.cite-ref-4[4]

Similar commands are available in many operating systems. The command is available in the CP/M,cite-ref-5[5] MP/M,cite-ref-mpm1-6-0[6]cite-ref-mp-m-1981-ug-7-0[7] Cromemco DOS,cite-ref-8[8] TRIPOS,cite-ref-9[9] OS/2,cite-ref-10[10] ReactOS,cite-ref-11[11] SymbOS, and DexOS. Multics includes a rename command to rename a directory entry; which could be contracted to rn.cite-ref-12[12] A rename command which in some cases can be contracted to ren is provided in Stratus VOS,cite-ref-13[13] RT-11,cite-ref-14[14] OS/8,cite-ref-os8-handb-15-0[15] RSX-11,cite-ref-16[16] ISIS-II,cite-ref-17[17] iRMX 86,cite-ref-18[18] TOPS-20,cite-ref-cmdref-19-0[19] Z80-RIO,cite-ref-20[20] FLEX,cite-ref-21[21] OS-9,cite-ref-22[22] FlexOS,cite-ref-23[23] 4690 OS,cite-ref-24[24] MPE/iX,cite-ref-25[25] THEOS/OASIS,cite-ref-26[26] and OpenVMScite-ref-27[27] A rename command is supported by 86-DOS.cite-ref-28[28] DR DOS 6.0 includes ren and rename commands.cite-ref-drdos6userguide-29-0[29] PC-MOS includes an implementation of rename.cite-ref-30[30]cite-ref-31[31] It is also available in the MS-DOS emulator DOSBox.

Contents

• Example

• See also

• References

• Further reading

• External links

Example

The following renames file foo to bar.

> ren foo bar

The following renames a file specified by a fully qualified path. The first parameter may contain drive and path information, but the second parameter must be only a file name.

> rename "C:\Users\Public\Videos\Sample Videos\Wildlife.wmv" Wildlife2.wmv

The following removes abcd of a file name in Command Prompt based on the following rules:

• Same number of / as the number of characters to remove

• Requries double quotes for both arguments

• Won't remove . from a file name

> rename "abcd*.txt" "////*.txt"