![]() ![]() The basic use of the dd utility is rather easy because it takes just two arguments: if= to specify the input file and of= to specify the output file. Without knowing or being careless can cause the destruction of partition and metadata from the block device. ![]() So, some people consider dd tool as disk destroyer. You should be very careful while using this command as improper usage may cause huge data loss. Only the superuser can execute dd command. Converting lowercase to uppercase and vice versa.Converting data formats like ASCII to EBCDIC.Copy regions of raw device files like backing up MBR (master boot record).Creating virtual filesystem and backup images of CD or DVDs called ISO files.Backing up and restoring an entire hard drive or a partition.Prerequisitesĭd command is mainly used for copying and converting data, hence it stands for data duplicator. In this tutorial, we learn about dd command in Linux with practical examples. The Linux dd command is one of the most powerful utilities for Unix and Unix-like operating systems. Convert the data format of a file from ASCII to EBCDIC Convert the data format of a file from EBCDIC to ASCII Backing up the boot data of MBR excluding the partition table b. Modify the first 512 bytes of a file with null data.Creating virtual filesystem/Backup images of CD or DVDs as iso files Backup a partition or clone one partition to another Backing up and restoring an entire disk or a partition ![]()
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