I think it would be nice if someone adds a link to a Windows version of dd. I am looking for a version which has all the options of the Unix dd.
I think it would be nice if someone adds a link to a Windows version of dd. I am looking for a version which has all the options of the Unix dd. Can anybody help me? Well done on ruining the usefulness of this page guys.
The article says 'dd is a common UNIX program whose primary purpose is the low-level copying and conversion of files' but I think it would be more correct to say that dd copies and converts raw bytes rather than files.
Any program that operates on raw device files directly the way dd is most often used will ignore the filesystem structure; this is not dd-specific. Compare the strace output of dd and cp sometime: When using dd on raw disks or partitions, the files that it "copies and converts" are those device files.
Granted, most people don't normally think in those terms. But that's why the description is worded the way it is in the dd manpage. Would bit-exact be more precise?
I had the impression dd was a bitwise copy, something google supports; if one searches dd, "bit-exact" one gets more hits than dd, "byte-exact". The question is rather what alternate would not be byte-exact? There are some advantages to using a bitstream, for instance one could stream a single byte, pipe it through a boolean operator, and perform binary arithematic, or bit mask a certain bit array.
Normally this is not done manually, but inside a program. What exactly does the output of dd mean?
It means 8 whole blocks plus one partial block. Will it copy the last partial block or skip it? This wiki page is the first place with good explanation of notrunc option I found!
I am not qualified to edit the dd page, but maybe some linux guru can do it. Can someone please explain the gallows humor with the dd command and its syntax, as it is currently written in the article?
Jobarts - Talk It can lead to a certain amount of disk thrashing and heart palpitations as the terminal tries to interpret the various DD examples strewn throughout the article. The point of realisation is quite an experience, however, if you're not running a root terminal you'll live.
Not sure wikipedia should be encouraging this usage of dd. When urandon runs out of randomness entropythe drive waits until more randomness collects in the urandom device. The write is sequential. AwesomeMachine] I think those types of examples should be removed from the article, not because the hard disk works hard, but because it just destroys all data!
What else were you expecting? You'd be a fool not to think so. If this was not clear, this is a direct quote of the Seagate documentation: This can be verified with strace. If your kernel has support for LBA48, then dd will also have support for it.
Maybe that's what Seagate meant, but it's not what they said -- and it's not specific to dd. If you can't find a link, the first place to look is in the WayBackMachine at archive. This documentation happens to be there I changed the link to it, in the article.In case this helps, if I edit the section in tests/ttyemu.c #if 0 # define DEBUG(c) fprintf (stderr, "%s\n", c) to #if 1 # define DEBUG(c) fprintf (stderr, "%s\n", c) and remake tests/ttyemu, then the following occurs.
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为什么linux tar后面的-f为什么必须要有呢，如果直接写tar c initiativeblog.com不也知道是要压缩这个文件吗？ 为什么一定要tar cf initiativeblog.com呢？ 显示全部Reviews: 1.
How can I view the contents of initiativeblog.com file without extracting from the command-line? Ask Question. up vote Run the below command in the terminal to see the contents of a initiativeblog.com file without extracting it: tar -tf initiativeblog.com lesspipe is a shell script installed by default as part of the less package that can list the contents of.
tar noticed that its stdout is connected to a terminal, thus refused to clutter it with its binary output. cat has no provisions for this. Redirecting tar 's output to cat thus connects the former's stdout to something not a terminal and cat doesn't care.
[Bug-tar] terminal input FAILED (initiativeblog.com), Jack Howarth.