For questions relating to file-formats. This is a general tag, please consider using the actual file-format your question relates to as a tag instead.

learn more… | top users | synonyms (1)

40
votes
7answers
5k views

Do file-extensions have any purpose (for the operating system)?

Linux determines the type of a file via a code in the file-header. It doesn't depend on file-extensions for to know which software is to use for opening the file. That's what I remember from my ...
1
vote
0answers
18 views

Which software program can read quicken and quickbook files? [duplicate]

My credit card online account allows me to download my transaction history only in quicken or quickbook format. How can I read them under Ubuntu? Thanks.
6
votes
2answers
43 views

How to audit SE elections results file on Ubuntu?

The AskUbuntu 2016 Moderator Elections have just finished (at the time of this writing), and this is what it says: However it only provides a utility to do this on Windows and Mac, how can one ...
0
votes
1answer
36 views

How do I change extensions of different file types [duplicate]

I have many files with different extensions in one directory (for example .aa, .1ab, .412 . etc). How can I change extensions of all this files to .txt There is now other files in folder, only those I ...
0
votes
1answer
68 views

How to associate a file with a newly installed app on tablet?

How to associate a particular type of file with a newly installed app on the tablet ("Open with...")? I would like to open .epub files with Beru app automatically but I cannot find the way how to do ...
1
vote
1answer
254 views

sublime text 3 menu not showing

I have recently installed Ubuntu 16.04 and yesterday I've installed Sublime-text-3 text editor. But the main problem is Menu is not showing unless its opened in root mode,i.e sudo /opt/sublime_text/...
0
votes
0answers
103 views

16.04- new document (txt) created from right click menu doesn't show extension

After upgrading to Ubuntu 16.04, the new text files created from right-click menu (both desktop and Files) doesn't show it's extension (*.txt). How to rectify this? In the above image, the first ...
0
votes
2answers
71 views

How to open xz file into movie player program

my friend sent me film with xz format and that file can't open. How to open that xz file in movie player program?
0
votes
0answers
32 views

Opening files without or unknown extensions from a remote server

When I try to open files without or unknown extensions, for example .bashrc from a remote server (via sftp), I get this dialog: I would like to be able to select my text editor in the context menu ...
0
votes
0answers
87 views

How to open and view a .gsp file?

On Ubuntu, how can one open and view .gsp files, which are made using the Geometers' Sketchpad on Windows? Is it even possible? (I have tried KSEG, which is considered to be an alternative to ...
0
votes
0answers
30 views

How would you change a format from .rar to .xiz?

I found a huge bank of instruments for the grand piano that I would like to put into zynaddsubfx, but it is in an .rar format. I am sure there is a way, but I do not know how to compress it to an .xiz ...
4
votes
1answer
88 views

Shotwell Viewer can't open files without file ending

I am using Ubuntu 14.04 virtual machine. When I try to open an image without file extension (e.g .png) using Shotwell Viewer, it shows the error: "Shotwell does not support the file format of /...
0
votes
1answer
63 views

Installing .tar.bz2 format games [duplicate]

I have downloaded a game called redeclipse from their own website. It's an open source project and hopefully supports Linux too, so I have downloaded it but it came in a .tar.bz2 format. I extracted ...
2
votes
3answers
815 views

Why do we have .desktop files?

I wonder why do we have .desktop files, I downloaded a trivial .jpg picture from internet (yes, I'm a newbie, currently learning command line), and saw that when I list the file, I saw .desktop ...
0
votes
0answers
11 views

Sort icons by type in nautilus doesn't order as expected

I use to sort icons by type all the time, and in nautilus I'm getting an strange result. For example, I sorted the following files: a.cpp b.cpp a.c x.html n.hpp m.txt x.glade and I expect a result ...
1
vote
2answers
3k views

Format Factory equivalent in 14.04

I use Format Factory in Windows to convert media files in different format. Is there any good tool that can convert mp4 to mp3 in Ubuntu 14.04 ?
1
vote
0answers
145 views

Which program to use for viewing mulitplex jpg and mp4 360x360 photosphere files?

TL;DR - Which program to use for viewing mulitplex jpg and mp4 360x360 photosphere files? Bublcam provides http://www.bublcam.com/products/bublcam Photosphere Videos and Photos in Multiplex format as ...
1
vote
1answer
93 views

How to check the default handler for a specific file type in Terminal?

I often come across file types which I am not sure of, but yet need to open, but as I don't know what the default file handler on my system is for that specific file type (and sometimes the file doesn'...
0
votes
1answer
159 views

How to set gedit language to specific files

How to set gedit to open file as CSS language for .SCSS file extension?
0
votes
2answers
88 views

Something with .txt File? [duplicate]

I have stored a text as .txt while saving it in Gedit in Ubuntu 14.04. But after viewing that folder, which i have stored will have two files with that name but with 'Tilde Symbol' '~' for an ...
0
votes
0answers
89 views

Package needed to open .grd files

Which package need to be installed to open a .grd file in Ubuntu? Because I'm not yet finding the proper installation package.
0
votes
2answers
79 views

Cannot open zip created with shell script [duplicate]

I try to make a backup script, but when i create a zip with the script, and use cd myzip it sais that it dosnt exitst even when i can see it on the server with FileZilla. This is my script: TIME=...
2
votes
1answer
177 views

Make/Remove USB Storage Devices as Read Only

I just gave my 32GB flash stick to record the VDO for me. After that, I can only see the stuff in it. No delete or cut. It is set as "Read Only", and basically useless... Apparently this my /dev/sdb1 ...
3
votes
3answers
867 views

File format problem, libreoffice writer is odt format, but i need .pdf, .doc, .docx, .rtf and .txt files format

i need writer formats .pdf, .doc, .docx, .rtf and .txt files only. But in ubuntu 14.04 there is Libreoffice writer that comes with ODT format. So, I am not able to upload my resume in ODT format on ...
2
votes
1answer
226 views

Files starting with a comment have the wrong mime type

In Ubuntu 14.04 I have a directory with a set of LESS files, all with the .less extension. All but three of the files show a mime type of plain text document (text/plain) under Properties > Basic. The ...
12
votes
3answers
854 views

Correct file extensions

I have about 12000 images of different file types but every one of them was renamed *.jpg. Now I want to give them their proper extensions back, how can I do it
2
votes
2answers
301 views

Ubuntu doesn't recognize m4a files

I downloaded a few audio files in m4a format from youtube using flashgot plugin in firefox. The files are showing up as unknown, they don't open on double click. I have to manually right click and ...
12
votes
2answers
3k views

What are '.save' files?

I have been writing several bash scripts, and I have found that while writing them that extra copies of the files have been created which seem to be identical in contents to the normal files, except ...
0
votes
1answer
824 views

what is Icc pfofile date time?

Please Help me it's very Urgent for me I uploaded my image to http://regex.info for finding exif information because i need the date the image was taken and it found nothing but Profile Date Time as ...
2
votes
3answers
2k views

Getting rid of the p7m file extension

The internet has not been helpful this time. I have a zip archive that also has a p7m extension. How can I lose that extension so that I can view the files? Any help is appreciated. Than you!
0
votes
1answer
63 views

File types in Nautilus - how to distinguish between different file types? [closed]

Under file Type column in Nautilus, I get file categories like Image, Document, etc. I need to sort files according to file format. Is there a way make a distinction, based on file formats?
1
vote
0answers
345 views

How to assign (set) a MIME type to a file?

Is there any command that could set MIME type of a file? for example: mime --set --MIME="image/pjpeg" filename.jpg
2
votes
2answers
239 views

Same file extension, but different “Type” in file properties!

I have two different files that have same file extensions: *.otf. But if I right click on these two files, Nautilus shows different "Type:" for them in file properties window: One is ODF template (...
1
vote
1answer
52 views

.123 extension doesn't treated as textfile

The file became lotus spreadsheet when the file extension is .123. I want it to be treated as textfile only since the lotus is adding unecessary characters. Edit: It is only adding extra characters ...
0
votes
1answer
49 views

Can't open 32-bit Machinarium - can't read file type

I purchased machinarium and received my download links. The 64-bit version downloaded and opened fine, but the cursor was not aligned with where I clicked. I then checked my system settings and ...
0
votes
1answer
183 views

Convert flac to m4a at 400Kps?

it's worth a try, I love linux and I have so many years using it but now there's only one thing that I cannot do, I have my music collection in flac and I always convert flac to m4a using nero aac ...
0
votes
1answer
337 views

How can I play a rmvb file in ubuntu trusty?

I have an video file in rmvb format, but vlc player and totem crashes when I try to play it. Is there any way to install realplayer on ubuntu, and if not, how is it possible to play this video on ...
3
votes
2answers
65 views

What tools are available for determining a files type other than the file command?

I am trying to figure out how Football Manager reads its save games. The files have .fmc extension and if I run the file command it just returns data. I suspect the save game file is a database of ...
1
vote
2answers
2k views

How to extract CPGZ File

I have a file with cpgz extension and I want to extract it on Ubuntu 14.04. Is there any command that I can extract easily ?
0
votes
1answer
59 views

How To Replace Deleted File Bytes With Random Bytes

Let's assume that I "erased" some file named important.txt. This file is still exists on the hard drive (invisible attribute changed to true), so what I am trying to do is find the important.txt that ...
0
votes
2answers
155 views

Burn DICOM-compatible CD

I have some images which are in the DCM file format (DICOM image file format). I want to burn them onto a CD disk with DICOM standards (Digital Imaging and Communications in Medicine) using Ubuntu ...
0
votes
0answers
24 views

Open file with correct program, in terminal, based on extension [duplicate]

Is there any way to automatically open a file with the correct program, when using the terminal? Something similar with double clicking a file in GUI. So for example having a pdf file, not need to ...
0
votes
2answers
398 views

How to make a file extension non-executable?

Yes, I know that I can make a file non executable by setting appropriate permission bits on that file. What I want to do is, making all the files with a certain extension non-executable, So that ...
13
votes
6answers
10k views

Native Flac .cue splitter

I have some .Flac albums I ripped as one big file to save some space (Lossless CD rips are roughly 500mb each), now I have more storage I would like to split them back to there original files. Is ...
-4
votes
3answers
4k views

I cannot download torrents any more! Files I download from torrent sites have the extension .exe

I recently tried to download a few torrents from various sites and found that the file extension of all the files I try to download is .exe, which neither transmission nor vuze nor I know what to do ...
13
votes
4answers
1k views

Group files in some folders

I have some files with different extensions such as *.pdf, *.mp3, *.jpg and a few others. All of them are stored in a parent directory. How can I get a list of all extensions, create some folders ...
-1
votes
2answers
79 views

Listing an empty folder shows two items . and .. , what are they?

When I make a folder test and cd into it, it's empty. However, running ls -la returns: total 8> drwxrwxr-x 2 algosig algosig 4096 august 15 23:09. drwxr-xr-x 41 algosig algosig 4096 august 15 ...
0
votes
2answers
159 views

Formatting USB thumb drives for Ubuntu in Windows

I am having issues getting usb drives to work correctly in Ubuntu and have read various bug reports of certain formats not working correctly in Ubuntu. If I want to format a usb drive from inside ...
6
votes
2answers
2k views

How to open sitx files?

I want to open a sitx file. I tried to open it using Unar and 7zip, but I did not succeed. What is the right application to open sitx files?
4
votes
1answer
336 views

Mimetype mess after calibre installation. How can I fix it?

I always get text/plain or application/octet-stream when running "mimetype" on all file types. The command "file --mime-type" seems to identify correctly the different file types. For instance, if I ...