Command for creating a file in linux: Command for creating a file of a certain size -- dd

This article explains how to create a file in linux: dd. Use the dd linux Command to create a certain size file.

Linux File Creation command: dd command

Copy the specified input file to the specified output file, and convert the format during the copy process. Syntax:

CODE: [Copy to clipboard] dd [Option 〕

QUOTE:

If = input file or device name ).

Of = output file or device name ).

Ibs = bytes: the number of bytes read from the buffer zone.

Skip = blocks skip the ibs * blocks block at the beginning of the read buffer.

Obs = bytes: the number of bytes written into the buffer zone.

Bs = bytes: set the number of bytes in the read/write buffer at the same time to obs and obs ).

Cbs = bytes: converts bytes at a time.

Count = blocks only copies the input blocks block.

Conv = ASCII converts an EBCDIC code to an ASCII code.

Conv = ebcdic converts ASCII code to EBCDIC code.

Conv = IBM converts ASCII code to alternate EBCDIC code.

Conv = blick converts a variable bit to a fixed character.

Conv = ublock converts a fixed user to a variable bit

Conv = ucase converts lowercase letters to uppercase letters.

Conv = lcase converts uppercase letters to lowercase letters.

Conv = notrunc: the output file is not truncated.

Conv = swab exchange each pair of input bytes.

Conv = do not stop processing when noerror occurs.

Conv = sync adjusts the size of each input record to the ibs size and fills it with ibs ).

Fdformat command

Low-level formatting floppy disk.

Instance:

Create a m empty file

Dd if =/dev/zero of=hello.txt bs = 100 M count = 1

The preceding command is used to create a file in linux: dd.

1. How to Create File commands in Linux
2. Use the Linux at command in the Linux operating system to regularly send emails
3. Usage of cron and linux at commands in linux