A file system is the specification of how files in a computer should be stored, named and organized. This tag should be used for generic file system questions. For specific file system questions (FAT, NTFS, ext4, ...) use the appropriate tag instead.

learn more… | top users | synonyms (4)

2
votes
1answer
82 views

No /etc/fstab folder to amend swap issue

I was given an answer earlier on how to correct a swap file issue. Now however, I discover that I have no /etc/fstab folder in my file system to alter. I have a /etc/fstab.d folder but it is empty. I ...
0
votes
0answers
20 views

Windows 7 auto-play not opening device files

I want to see my android device internal files and sd card files. So when I connect my device to my machine; It shows me autoplay pop up. But when I select open device to view files; popup just ...
0
votes
0answers
28 views

Different sized data blocks in a single file system

In Unix, each file uses one inode and each inode, in turn, may use a variety of number of blocks to store data. The size of the blocks in a file system may be configured or chosen but it must be ...
0
votes
1answer
40 views

Open the folder on the cursor with another application NerdTree

I'm using NERDTree, it would be awesome if, when I'm with the cursor over a folder, I had a way to call my file manager, say thunar, whit a mapping to open that folder. Like Sublime does.
0
votes
0answers
59 views

How to generate an ext4 filesystem for an embedded system?

I'm looking through the ubuntu man pages on genext2fs and am trying to understand how to properly choose some of these parameters. How do the block size, number of inodes and number of ext2 blocks ...
2
votes
0answers
98 views

Limit the size of the disk driver cache on Linux

I am running some experiments for comparing storage systems under load in Linux. To this end I want to force the file system to access the disk itself without caching too much data on RAM. How can I ...
0
votes
2answers
285 views

How to mount Linux rev 1.0 ext4 filesystem data file?

$ file data Linux rev 1.0 ext4 filesystem data, UUID=9f923f9d-2cbd-4a49-8b5c-6a3cece42509 (extents) (64bit) (large files) (huge files) $ mount -t ext4 data /mnt/ mount: wrong fs type, bad ...
0
votes
0answers
63 views

How to make mounted file system writable using sshfs

I have an exFat-formatted external hard drive mounted on a Raspberry Pi. I use OSX fuse to mount the Pi on my local file system on my Mac using this: sshfs user@IP:/pi/directory/to/mount ...
0
votes
0answers
33 views

How to find out what process created a certain file after the deed has been done?

I know this question exists. What are my options to get a hold of an application (probably malfunction in code) that creates a "bad file" like in this screenshot: It's always exactly this file, ...
0
votes
1answer
23 views

can't recover my files in my thumbdrive

I got a thumbdrive brand Kingston model DT101 G2 with capacity 32 GB. The problem is when I copy files from my computer to this thumbdrive, it seems I can't reopen it (files) at another computer when ...
0
votes
1answer
21 views

how can I remove write access from a file?

I have a program, (logger lite -vernier) which has a configuration file, that I use to set up scientific experiments. the configFile when I run logger lite, the software changes the config file, and ...
1
vote
3answers
77 views

Bash command for finding file extensions with largest size

I am trying to find file extensions with sorted by size in a directory and sub directory. Something like this: 76K .pek ./Adobe Premiere Pro Preview ...
0
votes
0answers
19 views

How to add a disk

I would like to start to use a disk: /dev/sda (see bellow). What do I need to do before I could copy files on it? (centos 6) # fdisk -l Disk /dev/sda: 1030.8 GB, 1030792151040 bytes 255 heads, 63 ...
1
vote
2answers
1k views

100% disk usage on windows 10

I've a windows 10 copy running in my core i5 second gen laptop. Now there is this issue where the hard disk usage goes to 100% and the system doesn't respond for a few seconds to even few minutes. ...
0
votes
0answers
26 views

How to install Sysfs backlight software on my Toshiba Tecra R850?

I'm running Ubuntu 14.04 on VirtualBox, which seems to have emulated graphics. I can adjust my brightness and have graphics drivers installed, but Calise doesn't recognise either. It wants sysfs ...
1
vote
0answers
217 views

Does any linux disk format support transparent folder compression? (Like NTFS)

I feel like I could use transparent, seamless folder compression. One way to achieve this, I think, is to compress normally, and mount an archive with Nautillus. AFAIK. you can run programs from the ...
3
votes
3answers
443 views

How can I find out the /sys/class or /sys/devices entry for a mounted filesystem?

What I have: I know the place in the filesystem where a microSD card is mounted, e.g. /storage/sdcard1 What I need: To find out which device folder it corresponds to, e.g. /sys/class/mmc_host/mmc0 ...
0
votes
0answers
224 views

Repairing HDD cylinder/head mismatches of corrupt HFS+ file system

After having to do a hard reset on my laptop, my external USB drive's file system got corrupt. Disk Utility sees the drive and its partitions but they appear full (they aren't) and I can't mount them. ...
1
vote
0answers
8 views

How to make a custom collection or grouping folders in windows?

I use windows 8.1. I have 10 folders in my root folder of a drive, namely folder1, folder2, folder3, folder4, folder5, folder6, folder7, folder8, folder9 and folder10. I want to group these folders ...
2
votes
3answers
210 views

Unable to delete folders from Mac archive on Windows

I extracted a zip file, but found that I cannot delete the extracted folders afterwards. Including the actual file folder and the __MACOSX folder. If I shift-delete these files, nothing happens. If I ...
0
votes
1answer
80 views

C:\ Directory size mismatch cmd vs gui [duplicate]

I am on Windows 10 and have a ~640GB (base 10) Hard drive with 2 main partitions on it C:\ and D:\ and also a recovery and system partition as can be seen here When I use cmd to determine the size ...
1
vote
0answers
118 views

Why does ZFS slow down making large files after 2.4 gig?

Zfs on linux, I'm making a large tar file, I'm watching it add to the file, and it goes very quickly, until it hits 2.4gig in size, then it just crawls, for hours. The same file on ext4 has no ...
1
vote
4answers
306 views

How to create a hyperlink file?

I know this question sounds too generic but I am unable to find an answer for it. How can I create a link (soft/hard) file which when opened, redirect me to a website with http protocol? One ...
1
vote
1answer
69 views

When I copy the contents of one drive, the copy takes up less space. Why? [closed]

I am trying to copy the contents of one hard drive to another hard drive. But once the copy is completed, the copy takes up less space than the original files. Hence not all files are being copied. ...
1
vote
1answer
163 views

Can't copy file on the same machine - Error 0x8007045D: The request could not be performed because of an I/O device error

I have Windows 2008 Server. In it I have 2 hard drives. One I use to store backup, I have it in the tray, which I turn on before backup and turn off after. I backup only virtual machines, my host is ...
-2
votes
2answers
118 views

Windows 7 (64-bit): “C:\Program Files” versus “C:\Program Files (x86)” [duplicate]

I am running Windows 7 Home Premium (64-bit). I have read that the difference between "C:\Program Files" versus "C:\Program Files (x86)" is that one is for 32-bit executables whereas the other is for ...
1
vote
0answers
111 views

Why does FAT32 only use 28-bits for addressing?

I was reading Why is FAT32 limited to 8 TiB? The answer to that question was that 4 bits were reserved "for future use". What advantage is there in reserving these bits? Surely register size, ...
2
votes
1answer
102 views

Windows - How can I determine what is locking this network file

(a similar question has been asked by me before - this question relates to the same application, but a different - but probably related - problem) I have an application that regularly writes records ...
28
votes
1answer
3k views

Why is FAT32 limited to just under 2^28 clusters?

With FAT16 the maximum partition size is 2GB when your maximum cluster size is 32K. This is calculated by multiplying the number of addressable units by the cluster size. (216 Allocation units) * ...
0
votes
0answers
32 views

Ghost files on Windows 7?

When I dir my desktop I get: 04-10-2015 21:36 <DIR> . 04-10-2015 21:36 <DIR> .. 19-03-2015 09:45 1.254 Adobe After Effects CC 2014.lnk 19-04-2015 ...
0
votes
0answers
88 views

Since Python 3.5 upgrade my .py files won't work right

Before when i had Python 3.4 if i right clicked on a .py file it would give me the option to open it with IDLE or just open it which would do it through the terminal/cmd or w.e. I set it up so that ...
0
votes
1answer
19 views

Merging multiple file copy backups

I have a series of backups (manually made) that contain duplicate information, is there any program/script/command to iterate through the directory structure identify duplicate files via MD5 hashes ...
32
votes
2answers
2k views

How much can we rely on filesystem permissions for security?

My question is about filesystem permissions (specifically the Unix style permissions) and how they relate to security. Say I have access to a computer with a guest user account and a user named Bob. ...
0
votes
0answers
31 views

Changing filesystem on dualboot [duplicate]

I'm trying to get my new laptop working with dualboot. I have booted from linux live USB stick and created partitions on the disk -- mainly for linux (sda3), creating ext4 FS there, and shared ...
0
votes
0answers
144 views

Recover truncated/overwritten (with zero bytes) file on ext4

I managed to truncate a file on my ext4 file system. (Ubuntu 12.04/64). I realised the problem right away and unmounted the file system. No bytes were written to the new file so it's now 0 bytes ...
1
vote
0answers
24 views

GZIP file system code for Linux?

GZIP allows one to use file system codes. See page 7 of RFC 1952. What is (are?) the GZIP file system code(s) to use for Linux?
0
votes
1answer
58 views

Windows doesn't recognise first partition on SD Card

I have a 32 GB SD Card that I bak my files up to. Recently I've dual booted my Windows 7 laptop with Ubuntu, and I wanted to use timeshift to back up my Ubuntu system. Timeshift requires an ext based ...
23
votes
6answers
3k views

What USB drive filesystem works out of the box on Windows, Linux, and OS X? [duplicate]

What USB drive filesystem works out of the box on Windows, Linux, and OS X so that, when I give a 64GB USB drive to my dad, I don't have to tell him to first type in sudo apt-get install exfat-fuse ...
2
votes
0answers
50 views

How to reduce I/O operations to a flash drive?

Background I often use different computers, and for that reason I like to aways keep with me a flash drive with my home directory, with my bash aliases and helpful functions, vimrc, Homebrew ...
1
vote
1answer
131 views

No such file or directory

Running this command on the server: mongorestore -c basic --drop -v --db my_db -u user -p pass dump/basic.bson Works perfectly fine. But when I put this single line in a script (sh) file: Failed: ...
1
vote
0answers
184 views

BTRFS: too many missing devices, writeable mount is not allowed

Environment $ btrfs --version btrfs-progs v4.2.1 $ uname -a Linux [REDACTED] 4.2.1-040201-generic #201509211431 SMP Mon Sep 21 18:34:44 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux Problem Today the ...
1
vote
2answers
49 views

How do I change where windows 8.1 stores files by default?

So my C:\ drive is almost full, because of games. I noticed that a ton of the save data was there. I have also heard that you could either redirect or completely change the default save directory. So ...
-1
votes
1answer
29 views

Can someone help me understand sequential files? [closed]

Can someone help me understand: What sequential files are? How to create, access and add sequential files? Which software can be used for these purposes? I am a beginner in this area. I need your ...
11
votes
2answers
415 views

Why does sector-number addressing in CHS start at sector 1 and not 0?

Before LBA was introduced, why does CHS start at 0,0,1 and not 0,0,0 ?
0
votes
1answer
69 views

Reallocate available space from 1 file system to another?

I am currently using Virtualbox to run this server where my current disk space is: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/ol-root 50G 44G ...
1
vote
1answer
1k views

CHS to LBA mapping - (Disk Storage)

Before LBA you simply had the physical mapping of a disk, which originally disk access with the BIOS on an old a IBM-PC compatible machine would look something like this the following: Cylinder ...
10
votes
1answer
2k views

What does the filesystem cache do in Windows 7?

The Diagnosing why Git is so slow article has this interesting item in it: Enable the filesystem cache Windows' filesystem layer is inherently different from Linux' (for which Git's ...
-8
votes
2answers
218 views

How to create a batch file to ftp files in the directory with the name realated to yesterday? [closed]

I have a set of directories with encoded in their names the date. Inside those directories there are files named files.csv. The directories have a standard name as, for example, ...
161
votes
9answers
31k views

How can a file size be zero?

Just something I ran into and couldn't think of a proper explanation. If I create an empty *.txt file on my PC and then look at its size, it shows 0. But how is that possible? I mean even if the file ...
1
vote
1answer
55 views

How to sort custom system folders in Windows Explorer

Following this tutorial, I was able to create a custom system folder for Mega Sync: However, now I'm sitting with another problem - how do I sort/move it? I want it to sit between Creative Cloud ...