http://offsecnewbie.com/2018/12/05/pentesting-guide/ So what if you need to send files that are larger than that? That’s where compressing files come in!
But what are compressed files? Keep reading to learn about that and learn more about how to compress a file.
What Is File Compression?
ZIP files are one of the types of file compression, but it’s usually the most common one as well. You could also have ARC, ARJ, CAB, and RAR. In fact, if you need to learn how to open RAR, see this site.
Regardless of what type of compression you have, they all work in the same way. A compressed file is just one archive that will have one or more files in it. It will reduce the sizes of the files so that you can send them and save space.
You can even use different types of software to help decompress the files so that they revert back to their original size and state.
Different Types of File Compression
While there are many different compressed file formats, there are two main different types of file compression: lossless and lossy.
Lossy compression cannot be used on any program file, and it will delete certain parts of the code. However, you can use it for multimedia files. If you use lossy compression, the files might look the same to you, but if you look at it at the code level, it’ll be very different.
On the other hand, lossless compression will search for a long string of code and then replace them with a shorter string. This means that when you uncompress it, the entire file will be exactly as it was before you compressed it.
Lossy File Compression
A lossy file compression will result in some data being lost, but you probably won’t even realize that some of the data is lost.
For example, if you use it on video or audio, your senses won’t even pick up on some of the missing parts. The compression only removes data that human senses can’t pick up.
However, if you use this format over and over on the same file, you will eventually start to see the quality of the video go down. That’s because it will start removing data that you can actually notice since there’s nothing left.
Lossless File Compression
Lossless file compression works by removing redundancy in the files. Data redundancy happens when there is a data storage environment that holds the same pieces of data multiple times.
When you get rid of redundancy, it helps to make the smiles faller without losing any quality in the files. So when you decompress the file, it’ll go right back to its original form.
If you recompress it over and over, you won’t lose any quality over time.
Benefits of File Compression
While it may not sound reassuring to take parts of the data out of your files, there are still many benefits of file compression.
Those include transmission speed, more storage space, and even saving money.
When you send an uncompressed file over the Internet, it will likely take a long time if it’s a large file. Some files are even too large to even send over the Internet.
Instead, compress the file before you send it over. This will help to reduce how long it takes. That means it will also save money from running this over the network. You won’t need special equipment or even need more bandwidth to send the data over.
If you don’t have a lot of storage for all your files, you may want to start compressing the files. When you do this, it will free up a lot of space on your web server or your hard drive.
For example, if you compress a Word file, you could make it 90% smaller than it normally would’ve been. Some files can’t be compressed though, like a JPEG, since it’s already a compressed format.
If you need to store a lot of files in your archive that you aren’t going to use, you can compress them until you need them!
You don’t have to compress them, but if they’re several gigabytes, this will start to take up a lot of space on your archive. It can also slow down your other operations.
If you want to back it up every day, it’ll also take longer to back up if they’re not compressed.
Hard drives can be expensive, so if you want to maximize the space on them, start compressing your files!
For example, if you have 200GB of data that you need to archive, but your hard drive is only 250GB, then you only have 50GB left. Instead of going out and spending more money on another hard drive that you have to manage, just compress your files and fit more on there.
All of your files will still be there and ready to unzip whenever you need them.
Learn More About Compressing Files
These are only a few things to know about compressing files, but there are many more things to keep in mind.
We know that keeping up with all of the latest technology can be difficult, but we’re here to help you stay on top of things.
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