Compression makes files smaller in size.

learn more… | top users | synonyms (1)

2
votes
0answers
17 views

tar: Cannot create symlink : File exists

I backup lots of gigebytes files in to myproject.tar.gz, and compress success without errors. Now, I want to decompress all to an folder "myprojects". adan@adan-Latitude-D630:~$ tar zxf ...
1
vote
0answers
16 views

Safe to convert OS in .uif to .iso?

I'm being sent Windows 7 in a .uif format. Is it okay to convert it to .iso so it can be installed from a USB? If so, what is the best way to do that?
0
votes
0answers
17 views

Windows compact /s /u command runs forever on deep directories greater than MAX_PATH

I ran the command compact /U /S /I /Q > status.txt on a large deep directory and after it ran for over 24 hours I decided to investigate whether it was hanging. It turned out that meanwhile the ...
0
votes
0answers
22 views

How can I list all files recursively that have the compressed attribute set?

I started a decompress operation using compact /U /S /I /Q > compact-report.txt on a large dir (120GB+, ~950M+ files) and it has been going on for about 24 hours now. Most files seem decompressed, ...
1
vote
0answers
15 views

Change Excel Zip Compression Level in Windows

Excel compresses its files using Zip-Deflate and stores it. However, the compression level is far from the best. To reduce the size and send it across I have to unzip and re-zip it manually everytime. ...
0
votes
1answer
26 views

Move data with compression

I'm using win 7.I have disk ~2Tb which one I want to format so I need to move data from it to other disk, but the problem is that I have not another 2Tb disk and I think I can compress data(on the ...
0
votes
2answers
26 views

Do more compressed PNG images take longer to load?

When I create PNG files with very small disk size, I tend to wonder if the file size becomes less important than the time viewers would need to decompress the image. Technically that would be trivial ...
0
votes
0answers
4 views

Change the default image compression in Photoshop Elements 11

I have a lot (200+) of jPegs that I need to crop and then save. I'm using Elements, so recording an Action is out. The approach I'm using is to edit a bunch of images, then Close All and use the ...
0
votes
1answer
30 views

Converting a scanned pdf to a compressed PDF with binary (2 level) image

I have many old scanned PDFs which take up too much space on disk. I have tried many PDF compressors available on the web. All of them ask me what compression to use for color images, and what to ...
-3
votes
0answers
33 views

How to copy a DVD to a smaller-sized one?

I'm trying to copy a film from its original disc to a blank DVD I bought. However, the .cdr image I created with Disk Utility is 7,52 GB large, whereas my DVD is only 4,7 GB. The question is, how do I ...
-1
votes
2answers
35 views

Check if a compressed file is password protected before downloading

Everything is in the title: I'm aiming to download a big file, and I don't want to waste time downloading it because I don't know if it's password protected or not, especially with my slow internet ...
0
votes
0answers
26 views

Apply binary patch to linux kernel image

I have a kernel image. The sources are somewhat lost and I dont want to migrate to a recent version (embeded software, custom (patched) linux kernel 2.4.24). I want to make a simple operation: ...
1
vote
2answers
61 views

How can I search for files that are either compressed or uncompressed in Windows Explorer?

I know that Windows explorer can colorize the NTFS compression state of a file, in both the regular and search views. How can I specifically filter/search for files that are compressed or ...
0
votes
0answers
16 views

How to compress subfolders and subfiles, in case when parent folders are already compressed?

Windows allows to comress folders. When setting some folder to comressed, there is an option to compress subfolders and files. Unfortunately, the process can take a lot of time and can either skip ...
10
votes
2answers
339 views

Compressing many similar big files

I have hundreds of similar big files (30 megabyte each) which I want to compress. Every pair of files have 99% of same data (less then 1% difference), so I expect to have not more than 40-50 megabyte ...
2
votes
2answers
51 views

How to extract tar file on Windows, when the filenames include a colon?

I have a tar(.gz) file created on a Linux system, and the filenames contain colon characters. The tar utilities I can find on Windows don't extract these files at all. How can I do this, ideally ...
0
votes
1answer
24 views

Is possible to compress ALL the web browsing using a ssh tunnel or similar?

I have a machine with a fast connection to internet in point A (Let's say 10MB). In point B I have a machine with slow internet (let's say 1/2 MB). Is possible to use a ssh tunnel that run in point ...
0
votes
0answers
13 views

Dolby Digital Live vs DTS Connect Analysis

Has anyone perfomed a proper analysis of these two? As in compressed a lossless source with each, decoded it and compared the output bit for bit to the original? I'm unable to make out any difference ...
0
votes
1answer
28 views

How do I test if my SSD uses compression?

I am thinking of running the filesystem with btrfs on my SSD. This might make the disk last longer or run faster, because if we compress the filesystem there is less to write. (I understand this is ...
1
vote
1answer
41 views

How to keep EXIF data in a DSLR video after editing / compressing with Photoshop CC?

So I have a bunch of home video files with my kids and family. I want to do some edits like text overlay, music backgrounds etc and also compress them using Photoshop CC. However, after compressing or ...
1
vote
0answers
67 views

Why does FFmpeg append blank black video to the end of my MP4 files when compressed from MOV?

I have several large MOV files that I want to compress to MP4. Unfortunately, when I use FFmpeg, it appends lots of black (blank) video at the end. (The destination file is longer than the source ...
0
votes
1answer
42 views

Windows : Compress the drive/file/folder to save disk space

This option is available for both my primary as well as external hard disk. I was wondering about the pros and cons of this feature. I found some at ...
0
votes
0answers
24 views

ASUS RT-N65U router displays ridiculously fast internet speeds

My router's logging some ridiculous internet speeds. For example, here's a screenshot showing a max internet of speed 16.7 Gbps, and an average speed of 111 Mbps. I did complete a large download ...
0
votes
0answers
25 views

Error uncompressing file when piping curl to gunzip

I need to download a gzipped xml feed to parse in my Ruby app. It may well be quite large, 30Mb compressed, 300Mb uncompressed. So I do this: curl -s http://example.com/file.xml.gz | gunzip and read ...
0
votes
0answers
17 views

While compressing the folder many other zip files creating during the process

I seen a strange thing never seen before while compressing the folder into the zip. When I start zipping my folder there are many zip files showing automatically during the process. Like say the ...
1
vote
3answers
63 views

Does 7zip compression level affect decompression speed?

I have a directory that I would like to password protect and encrypt. I am using PeaZip to do this using 7zip compression. I'd like to use the 7z like a directory and hard drive space is not a ...
0
votes
1answer
29 views

Push format of image while paste from clipboard

Problem: email client (theBat!) is using jpg for all images from clipboard. I need to use png or gif instead. For now I can only save image to disk in needed format and insert through menu - very ...
0
votes
2answers
36 views

Where do I find the “send to” Compressed (Zipped) folder

I am trying to compress a Zip archive to an external hard drive on my PC. Space is limited on the system so I can't compress it locally. I have access to WinZip but can't download or install any ...
0
votes
1answer
14 views

How to use pv to see decompression progress?

I've seen: How to use Pipe Viewer (pv) for measuring compression progress? Is there a way to do the same thing for decompressing a gzipped file?
0
votes
0answers
45 views

Achieve mp4(x264) compression of Debut Video Capture in Sony Vegas

I am using Debut Video Capture software to record my screen (948x534px in mp4 h264 encoder with Ratefactor of 28) and afterwards I edit those clips and render then in Sony Vegas. My problem is that ...
0
votes
1answer
45 views

Will audio bitrate get increasingly higher in the future? [closed]

In computers, storage, CPU processing power and video bitrates are getting higher and higher each year, but would an increase in audio bitrate do any good? Increasing a video's bitrate can increase ...
1
vote
0answers
59 views

Re-zip archives with the compression level “No Compression”

I am running Windows 8.1 Enterprise x64. I have a folder containing hundreds of ZIP archives (aka Compressed folders). I need the fastest way to convert them (preferably, in-place) to vaild ZIP ...
1
vote
1answer
32 views

Windows 8 - Compress Drive did not continue after cancel/reboot

I checked the "Compress Drive" option on an external drive (1TB) on Windows 8. After clicking OK, the OS started to compress the files folder by folder on the drive. As it took too long, I shutdown ...
4
votes
2answers
60 views

How can I specify the order files should be compressed in 7zip?

I have a set of files I would like to compress that I know to be repetitive and compressible, but 7zip chooses a non-optimal order to compress the files and fails to take advantage of their ...
0
votes
1answer
144 views

How to extract multipart rar with missing parts?

I have a multipart .rar archive containing a single .tar.gz file inside it (don't ask why, that is just how it was made). I am missing a few of the parts, but do have the first part. I would like to ...
0
votes
1answer
37 views

Why does ColorSync compression increase PDF file size for me?

I have this ebook that I'm trying to send to my Kindle from my Mac. I've done this before; Get a pdf, send it to Kindle address, and make sure the subject is "convert". This causes Amazon to convert ...
0
votes
0answers
33 views

Compressing compressed .tar.gz files deterministically

I want to perform a series of recompressions of compressed files to study their properties. At first, I tried simply recompressing .zip files in a loop: for f in $(seq 1 100) do zip $f.zip -9 -v ...
0
votes
1answer
77 views

How to convert DV to robust compressed video file for editing later

I have 60Gb of DV footage that I need to store, but 60Gb is WAY too big. I need to transcode it to a lossy format, but I need the resulting video to be robust such that it can be easily edited with a ...
0
votes
2answers
26 views

What could have gone wrong when compressing a very big directory on OSX? The resulting zip won't decompress

When working with the edition of a movie, I was out of space on my HD so I temporarily compressed a very big directory to a zip file and removed the original as a way to get some extra space. I did it ...
1
vote
1answer
50 views

How to convert a file of format tar.gz to tar.bz2?

Like the title says, how do I do this conversion from the Linux console?
0
votes
1answer
739 views

How to get compressed memory back in OS X 10.9 Mavericks?

I followed the suggestion to disable compressed memory, now I want to get it back. I checked the code, it was 4 before disabling. So, I tried: sudo nvram boot-args="vm_compressor=4" That was not ...
0
votes
1answer
87 views

Force all files in a NTFS compressed folder to automatically compress [Windows]

Is it possible to keep all the files within a NTFS-compressed folder compressed? For example, if I have a compressed a folder using NTFS compression, it will compress all the files inside the folder ...
0
votes
2answers
48 views

How to Undo the “Remove Unnecessary Blank and EOL” in NotePad++

I am using Notepad++ for my coding , just used the their Edit > Remove Unnecessary Blank and EOL feature to remove the space and tabs and compressed the code , but how do i UnDo it ? is there ...
3
votes
3answers
477 views

Disable Windows 8.1 Component Store (WinSxS/DriverStore) automatic compression?

Windows 8.1 has a new Scheduled Task (Servicing\StartComponentCleanup) which will automatically delete or compress superseded and unused files from the Side by Side store, DriverStore and drivers ...
1
vote
0answers
97 views

compressing video with ffmpeg while maintaining high frame rate

Update: I watched the output video on a different machine and it was fine. The issue must've been with the program I was using to watch the video. Nevermind. I'm trying to compress videos taken with ...
0
votes
0answers
43 views

Unzip speed on Mac versus Linux

I have a zip file that contains 200mb of data, compressed to an 80mb .ZIP file. Basically it's a website with thousands of files, including code and images, no video. The file was zipped on a linux ...
0
votes
0answers
129 views

Stream videos from a server with “youtube-like” compression

I would like to host some videos on a site for a small audience (under 50 people), and don't want to use a site like YouTube or Vimeo, however I would like to have the same kind of load speeds for the ...
3
votes
1answer
169 views

Avoiding extreme fragmentation of compressed files on NTFS

Problem explanation I'm storing windows disk images created with wbadmin on NTFS drive, and I found compressing then with NTFS compression gives 1.5-2× space conservation, still giving full ...
1
vote
1answer
64 views

how to remove full path when doing tar.gz compression

I'm using this command to archive a directory named g from java code: tar czf /a/b/c.tar.gz /e/f/g When the tar file c.tar.gz is created, I find an entire path e/f/g then all files of the g folder ...
0
votes
0answers
18 views

Windows compressing big file automatically

I have a NTFS shared partition (for my Fedora and Windows 8 installations) and a big truecrypt container on it (not the whole partition). I have no problem mounting this container from Linux, but ...