Questions tagged [file-format]

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Read-only NTFS flash drive refuses to format

I have this SanDisk Cruzer Edge where it's a write-protected NTFS partition that I got from my dad as I needed a flash drive. I tried using GParted, didn't work, I saw something online that used the ...
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Efi Partition System format box leave it blank or checkmark it(Linux only installation)

Feeling very confused about this one .In a Linux only installation in UEFI mode,for Efi partition,do I need to tick(checkmark) the format box or just leave it blank. I had seen You tube videos & ...
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What does this bcf error mean?

I ran this code to filter out biallelic variants from my vcf file: bcftools view --max-alleles 2 --exclude-types indels merged.ecDNA.vcf.gz>merged.ecDNA2.vcf.gz However, I got an error message: [E:...
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42 views

Watch file source code

How can I see all files formats that supported by file binary? For example file my_bin
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1 answer
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What are the file specifications of a compress .Z file?

For some reason, I am unable to find what the specifications are for a .Z file even though I see many things supporting it. Why is it so hard to find online? I am very familiar with LZW compression ...
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3 answers
107 views

How to format a USB stick to be "Normal"

I'm quite confused about the different format types a USB stick could have (or for that matter, any storage device). On this USB stick, I used to have a distro iso installed, and wanted to make it ...
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1 answer
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How to tell an AppImage file from a regular executable?

The question is pretty much in the title. If I launch the file command on an AppImage I get: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64....
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1 answer
559 views

Why does Kali Linux have other existing users from /etc/passwd file? I never created these users

I simply wanted to see my user that I just created in the terminal but I came across this sea of users in my existing Kali Linux vm. The command I used displayed a list of users. It started with "...
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Installed vm debian gnu linux 10, trying to format/erase/fix a read only sd card in a linux way that windows or mac won't do?

I've installed Debian GNU Linux 10 in a VM. I'm trying to format/erase/fix a read only SD Card in a Linux way that Windows or Mac won't do. Unfortunately I don't know anything about linux/cli, but ...
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3 votes
1 answer
4k views

how to open/convert .ost file (Microsoft Outlook email folder) on linux

How can I convert (or open) .ost file (Microsoft Outlook email folder) on linux ? Ideally, I would like to read it with Mutt. But mutt does not seem to understand this format. Therefore I would like ...
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1 answer
2k views

What is the encoding format of a binary file(OBJ file,a.out,ELF etc..) [closed]

When I open a binary file in vim, I see the mnemonics instead of the 0s and 1s. I believe this is due to the fact that vim by default opens the file in ASCII mode. Is my understanding right? What is ...
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7 votes
1 answer
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Check PDF file version from command line

Is there any command line tool available on Linux to check a PDF file version?
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4 votes
1 answer
1k views

When scheduling jobs to be run by crontab, should leading zeros be used for the hour?

Let's assume that I want to run a shell script named test.sh at 1 AM every day. I could either use: 0 1 * * * /home/user/test.sh Or I could use: 0 01 * * * /home/user/test.sh For the above example,...
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1 answer
105 views

How to cat the first page of an epub file?

epubcat book.epub 1 3 # outputs plain text of pages 1 through 3 I don’t know if epubs have the concept of “pages.” If not, perhaps we can say each 400 chars are a page? A general solution that works ...
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1 vote
2 answers
79 views

Is this some byte order mark problem

My question seems to come from differences between text files in different OSes. So I will try my luck here. I would like to try the default project created from a .NET Core template on Ubuntu 18.04....
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1 vote
1 answer
260 views

Ampersand in the passwd GECOS field

When expanding the /etc/passwd GECOS field to get the user's full name, should we expand only the first ampersand (& character), or all ampersands? In a GECOS field with comma (,) delimited ...
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1 answer
141 views

Is it ok to have no newline at end of /etc/group?

I ran into a problem on busybox where my /etc/group file was not properly processed. bash> tail /etc/group ... onebutlast::1001:user1,user2 last::1002:user3bash> The user3 was not in the last ...
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2 votes
3 answers
1k views

How to convert a 3 column csv file into a table (or matrix)

I have an CSV input file format like this, with a nucleotide sequence in field 1, text in field 2, and an integer in field 4: ATGC,CD3,56 ATGC,CD4,67 ATGC,IgD,126 ATGC,IgM,127 AGTC,CD3,67 AGTC,CD4,78 ...
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5 votes
2 answers
714 views

How do I convert .JB2E files to a more common format?

I'm trying to convert some .jb2e images, which I extracted from a PDF, into a proper, common image file format like PNG or JPG. I tried using jbig2dec, but that told me jbig2dec FATAL ERROR Not a ...
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3 votes
1 answer
836 views

Zip64 Extra Information Field

While trying to analyze zip files, one section Im a little confused by is the Zip64 Extra Information Field. It is expected to be generated when specific fields can't fit in the file header(Central ...
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-8 votes
1 answer
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binary file decrypt [closed]

I want to see the message inside this binary file: ]�$�r�ux����f��aY64QH���K�z{������y�ߗ��y�m����Ǖ�} ��cy@^��+|�%E(H��*�I�P�����7��8�=$�.�`ïc� ...
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0 votes
1 answer
235 views

Interrupted formatting a partition

I had a 20TB LUN in one of my systems named maptha. I created two 10TB partitions out of it, mapathap1 and mpathap2. When I ran the command mkfs.ext3 /dev/mapper/mpathap1 another completely ...
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1 vote
1 answer
1k views

What is the number in readelf symbol table name?

I have a local static variable, something like this: void function(void) { static unsigned char myVariable = 0; ... I dump the symbol table using readelf as follows: readelf -s myprogram....
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USB sticks not detected in file system nor by GParted (Linux Mint)

I am trying to make an installable Windows USB stick in Linux Mint. It is not detecting the two drives I am attempting to format. From my understanding, I need to format the drive with GParted ...
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37 votes
5 answers
6k views

What's the correct way to ask for a feature in GNU Linux?

I'm trying to send a bug report for the app file, /usr/bin/file But consulting the man and sending an email BUGS Please report bugs and send patches to the bug tracker at http://bugs.gw....
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3 votes
5 answers
5k views

Unix unzip is failing but Mac Archive Utility works

I have a bunch of files with a .zip extension that I cannot seem to extract on my HPC: $ unzip RowlandMetaG_part1.zip Archive: RowlandMetaG_part1.zip warning [RowlandMetaG_part1.zip]: 13082642473 ...
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2 votes
1 answer
380 views

What is the correct format for xpra password files?

I created a username/password combination of the form onetwo:bucklemyshoe, ie the password file contains the single line onetwo|bucklemyshoe Whenever I try to connect the message appears on the ...
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0 votes
0 answers
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How to open Composite Document File V2 Document, Cannot read section info

Output of file command for a given odt file gives me Composite Document File V2 Document, Cannot read section info. By searching on Google I found it a doc document and I installed unoconv to read ...
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0 votes
2 answers
974 views

combine columns within a file

I need to make some formatting adjustments to some data and I am not sure if there is a simple way to make the changes. I need to combine two columns of data into one column with a "/" in between the ...
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1 vote
2 answers
109 views

KDE consider programs as libraries (.so), How to change file assotiation for program?

Question: How to make the correct file extension association in KDE so programs are executable from the UI? Linux 4.9 Debian 9 (stretch) stable version 64bit 2017-09-28. KDE Plasma as included ...
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10 votes
2 answers
27k views

GNU nano 2: DOS Format or Mac Format on Linux

Which format (Mac or DOS) should I use on Linux PCs/Clusters? I know the difference: DOS format uses "carriage return" (CR or \r) then "line feed" (LF or \n). Mac format uses "carriage return" (CR ...
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1 vote
1 answer
49 views

how to handle broken XML Microsoft Office Word documents

I have received an xml file with a form that I am supposed to fill. The filename ends in .doc, so I assume it's supposed to be a word document. As far as I understand it was automatically generated by ...
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3 votes
0 answers
2k views

Batch convert ISO/WAV/CUE back into BIN/CUE

I've been looking for a command utility/script that does the opposite of bchunck, but can't seem to find one. What bchunck does is taking a mixed-mode CD image in BIN/CUE format and separate it into ...
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30 votes
1 answer
22k views

What does "LSB" mean when referring to executable files in the output of /bin/file?

I have found the term "LSB executable" or "LSB shared object" in the output of the file command in Linux. For example: $ file /bin/ls /bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), ...
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2 votes
1 answer
14k views

How to unpack .tar.gz.md5 file in Linux?

I have a file called gdac.broadinstitute.org_KIRC.Merge_Clinical.Level_1.2016012800.0.0.tar.gz.md5 Can anyone tell how to unpack this? I haven't seen such files till now. Thank you
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1 vote
2 answers
696 views

Sharing a network drive between Linux and Windows

I am currently installing a Linux distro onto the SSD of a new desktop in my home. This PC will also have a HDD for storage which will be permanently mounted on this Linux OS, but I would also like to ...
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2 votes
1 answer
877 views

Extract file names with directory structure into CSV file (separate csv file for each image name)

I have a folder structure like :- Type1 Type 2 | ...
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0 votes
1 answer
145 views

How to get trailing data of LZMA archive?

Similar to How to get trailing data of gzip archive? for GZIP archives I need a way to get the trailing data of an LZMA archives.
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4 votes
1 answer
1k views

How to add a custom GPS location to a picture?

Given a .jpg picture without associated GPS coordinates, how would you suggest to add custom coordinates to it?
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1 vote
1 answer
2k views

Android build tool command aapt “cannot execute binary file”

I have build tools version 25.0.1 installed on a machine running Enterprise Red Hat Linux, 64 bit. When I try and run the aapt command, from the command line I get the following: -bash: ./aapt: ...
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1 vote
0 answers
255 views

Encoder to msrle format with FFMPEG

I need to create some files for an old windows API, for a video playback. The native windows files which works with this old API have the format of MSRLE. They are used as small animations during copy,...
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3 votes
2 answers
6k views

(How) can I display an rtf on the command line?

I know there are much better solutions for writing documents through the command line that are intended to be nicely formatted (markdown, LaTeX, troff, etc. ad infinitum), but I have not encountered ...
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0 votes
3 answers
410 views

Unix question for a date format file

My filename will be in date format. eg: 20160920-A.cc1. Everyday I will getting different file, with the current date (yyyymmdd-A.cc1). I need to archival this file with the same name that is loaded ...
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1 vote
0 answers
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get the toplevel folder name used by readpst -r?

I've come across the following minor problem trying to automate my use of readpst: readpst -w /some/dir/ -r mailtst.pst I can't predict the name of the top-level dir without some prior knowledge ...
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10 votes
2 answers
5k views

How to get trailing data of gzip archive?

I have a gzip archive with trailing data. If I unpack it using gzip -d it tells me: "decompression OK, trailing garbage ignored" (same goes for gzip -t which can be used as a method of detecting that ...
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4 votes
2 answers
2k views

Extract TOC of epub file

Lately I hit the command that will print the TOC of a pdf file. mutool show file.pdf outline I'd like to use a command for the epub format with similar simplicity of usage and nice result as the ...
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5 votes
3 answers
4k views

What is the unix mailbox format?

man git-format-patch makes reference of the UNIX mailbox format which is a term I am unfamiliar with. A google search for "UNIX mailbox format" and similar expressions lists many hits with the term ...
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1 vote
4 answers
7k views

Why 'cat' can't read content of pdf files?

When tried the command cat < 1.pdf it printed a very large output, which was totally incomprehensible to me. The content of 1.pdf was abc. The output was like this: ÀýÓëöûcÎ=ÉÐÎTaüÍ8]ö¹mg:=Rú*@...
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1 vote
1 answer
918 views

Converting column data to matrix

I am trying to create a matrix of plant traits and plant species. There are 2,912,746 rows in the data and 3 columns. There are different numbers of traits for each species, and not every species has ...
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1 vote
1 answer
732 views

How to convert an audio file from one format to another?

I have an audio file named with such properties: BreakingNews.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, mono 8000 Hz I wanted to convert it to this format: BreakingNews.wav:...
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