The amount of computer storage space on devices, such as hard drive, floppy or USB flash drive.

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173
votes
19answers
52k views

How can I visualize the file system usage on Windows?

How can I visualize which folders and files are taking up all of the space on my hard drive? I'm getting some conflicting reports on the size of hard drive contents. Namely what is and isn't there ...
130
votes
10answers
67k views

Why does the /winsxs folder grow so large, and can it be made smaller?

A Vista virtual machine I use only has a 10 GB virtual hard disk -- and I'm worried about it running out of space over time. I used TreeSize to check for the culprits.. And the primary culprit is ...
71
votes
5answers
11k views

Why do SSDs have weird sizes?

Why do SSDs have sizes like 240 GB or 120 GB rather than the normal 256 GB or 512 GB? Those numbers make much more sense than 240 or 120.
60
votes
15answers
66k views

Linux utility for finding the largest files/directories

I'm looking for a program to show me which files/directories occupy the most space, something like: 74% music \- 60% music1 \- 14% music2 12% code 13% other I know that it's possible in KDE3, but ...
54
votes
8answers
39k views

Is it safe to delete from C:\Windows\Installer?

I've been looking on an XP machine what is using all that diskspace, and it turns out C:\Windows\Installer is high up there on the list of directories that use the most diskspace. It seems to contain ...
34
votes
3answers
19k views

How to analyse disk usage in command line linux?

du and df are nice, but I don't know how to filter the data they provide the way I do with SequoiaView. I would like to know which are the largest folders and the largest files in a glance.
32
votes
2answers
3k views

Chrome Using 7.6GB of Disk Space. Has a File 5.9GB that hasn't been Accessed for 92 Days

I just ran WinDirStat and noticed that Google Chrome is using tons of disk space. One file in particular is 5.9GB and hasn't been modified since July 11, 2013, its name is just: 00000001 What is this ...
28
votes
5answers
44k views

How to determine available free space on Ubuntu?

I am in a situation where I am getting an error when I try to save a file to my Ubuntu server via ssh. It says there isn't any available space left. I don't know how that can be true. What should I do ...
26
votes
7answers
50k views

Windows 8 disk space usage vs Windows 7

The official Microsoft Windows 8 (64 bit) disk space requirements are the same as Windows 7: 20 GB. In actual practice, how does Win8's disk space usage compare to Win7's? Specifically, how does disk ...
25
votes
12answers
8k views

Reclaiming disk space on Windows

A lot of disk space is taken up by a default Windows installation in various temperory and backup data that may never get cleaned up on its own. Eventually you realize that the large multi hundred ...
23
votes
2answers
10k views

Why did defragmenting C drive increase my free disk space by 10 GB?

I used Defraggler to defragment free space on my 100 GB C:\ drive which was 85 GB full. After defragmentation, the drive showed only 75 GB full. How did 10 GB  of free space ...
18
votes
3answers
22k views

Is there a way for Windows 7 to show remaining disk space in the status bar?

This is really driving me nuts. I do a lot of moving media files to and from USB drives, and I am constantly looking to the status bar to see how much remaining space I have on a drive. It's quick, ...
16
votes
5answers
31k views

Windows Disk Cleanup: “Compress old files” option

Should I check "compress old files" option while performing disk cleanup on Windows XP? What are the pros and cons? Likewise, there is another option in Local Disk Properties window: "Compress drive ...
15
votes
4answers
7k views

Almost half of disk space unaccounted for on Windows 7 computer

I'm trying to determine what's eating almost half of disk on my Windows 7 Lenovo laptop but haven't been able to determine what. I read some of the answers on this site but none of the causes seems ...
14
votes
11answers
11k views

Hibernate is disabled, hiberfil.sys gets recreated at each boot

I have Windows 7 running on a small (40GB) partition, with 4GB ram. This means that the hiberfil.sys file created by Hibernate takes up a significant portion of the available diskspace. I would like ...
13
votes
7answers
26k views

What is a safe way to move AppData\Local to a different drive?

I have a 60GB SSD as my C: where I have my Windows and other essential program installations. I also have a huge non-SSD D:. I repeatedly find myself short of disk space on C:. The main culprits are ...
13
votes
2answers
29k views

Can I delete files from C:\WINDOWS\SoftwareDistribution\Download?

I need to free space on Windows XP SP3. Q1) What system folders can be safely delete in case I don't need to have restore points etc? Q2) Can I delete content from ...
12
votes
5answers
7k views

Good program to visualize file system usage on Mac?

Based on this question, I would like to know if there are any good programs to visualize file system usage on OS X? I used to have SpaceMonger when I was using a PC and would love to find some ...
12
votes
4answers
12k views

What's using up my disk space?

My Vista 64 installation has drive C, a 150 GB hard drive. I also has a 1.5 TB drive D. My C drive has 12.3 GB free. I don't know what's using up all the space. There's almost 83 GB unaccounted ...
12
votes
5answers
39k views

How to reduce the size (disk space) of Windows 8

This question is about what things I can do to reduce the size that Windows 8 uses. Background example: At present, and with only one program installed (MS Access 2007), I have used about 15GB of my ...
11
votes
6answers
16k views

Unexpected free disk space decrease?

On my Windows 7 PC, the free disk space has gone down by 1GB even though I haven't downloaded or installed any new files and I haven't downloaded any updates or other things? What could have made the ...
11
votes
5answers
13k views

How can I disable the low disk space warning on a single drive in Windows 8?

Id like to disable the low disk space warning, ideally for a single drive in Windows 8. My gut feeling is that is it will be an all or nothing change. Any ideas?
9
votes
8answers
29k views

My C drive is 20GB large and almost full, how do I regain space?

I have Windows 7 Ultimate installed on my PC. The C drive has a capacity of 20 GB and I have only a few applications installed. Still, the drive shows as being almost full up to its capacity and keeps ...
9
votes
8answers
31k views

Is there a Windows command-line utility to list largest files exceeding specific size in sub-directories?

Would like to be able to find full paths of files in a directory tree that exceed a specific size (say 10MB). Currently aware of Microsoft's Diruse (part of Windows XP Service Pack 2 Support Tools) ...
9
votes
2answers
5k views

Stop Google Chrome hoarding previous update versions?

I use Google Chrome on a Windows 7 tablet with limited SSD space, which fills up quickly. One irritating cause of lost disk space that I've established is, Google Chrome not only auto-updates ...
9
votes
5answers
5k views

Free Duplicate mp3 finder

Sometime back I had used a duplicate file finder for mp3 by analyzing the content.Unfortunately it was not free and the shareware had a lot of limitations. Are there any freeware/OSS ones to detect ...
8
votes
3answers
10k views

best Graphical disk space explorer utility for Ubuntu?

what is the best disk space explorer utility for linux? I want to see folder wise size graphically, which folder has taken how much disk space.
8
votes
7answers
8k views

Hidden files in Disk Usage Analyzer

How do I get Ubuntu's "Disk Usage Analyzer" to show me the hidden files? It tells me my home dir uses 3GB, but only accounts for 525MB (the results of du -shc *). Can I get it to show me the other ...
8
votes
2answers
923 views

Virtual Machine optimizers [closed]

I have read a discussion about musthave Windows software. User esabine addend a link to Scott Hanselman's tools list. One of the tools Scott was writing about was an optimizer tool for VM’s. - ...
8
votes
5answers
12k views

How can I to free up drive space from the Windows installer folder without killing Windows 8.1?

On my SSD machine, the C:\Windows\Installer folder is massive and takes up about 15% of my total disk space. Is there a way to clean up that folder without killing Windows 8.1? The way Microsoft ...
8
votes
6answers
509 views

Need an app that tells about file & folder sizes

I need an app that tells about file & folder sizes, like what is the biggest file and/or folder on my hard disk, sort this detail from biggest file and/or folder to the smallest & vice versa, ...
8
votes
5answers
3k views

How can I reduce the size of Windows 7, and its CPU and memory usage?

My Windows 7 setup uses around 16GB while Windows XP only needs around 4GB hard disk space. Seems weird. I use Windows only for gaming so I don't need a lot of stuff they have to offer. What is the ...
8
votes
1answer
17k views

slim down disk space usage windows 7

How can I reduce the amount of hard drive space Windows 7 uses? I've got my Win7 cramped into a 10GB virtual machine, and with Office installed, I’m running out of space. The short answer 'use a ...
7
votes
5answers
3k views

Whatever happened to compressed read/write filesystems?

Back in the 90s, my home computer was an Acorn Archimedes. It had on it a piece of software called ArcFS, which allowed you to create compressed archives, a bit like zip files. Unlike zip files, they ...
7
votes
8answers
13k views

How to find out the top space-consuming directories or files?

My disk is running out of space: $ df -h Filesystem Size Used Avail Use% Mounted on ... /dev/sda7 803G 715G 48G 95% /home I'd like to go through the whole home directory and find ...
7
votes
3answers
540 views

I emptied my hard drive, but it still has 9GB on it

I have a secondary disk drive 465GB as reported by Windows explorer. I'm going to install a secondary O/S on it, so I moved EVERYTHING on it to another drive. Windows explorer STILL reports 9.27GB ...
7
votes
1answer
604 views

Get Python to raise MemoryError instead of eating all my disk space

If I run a Python program with a memory leak, I would normally expect the program to eventually die with MemoryError. But instead, what happens is that all the virtual memory is used until my disk ...
7
votes
4answers
4k views

Linux filesystem; difference in calculating size using df & du

When I run df it shows the root device is full. Filesystem Size Used Avail Use% Mounted on /dev/sda1 9.9G 9.4G 0 100% / I looked at the inode usage and there is pretty ...
7
votes
2answers
944 views

Disk Management and Windows Explorer show different allocted sizes

I shrinked 50GB from my main bootcamp NTFS partition. After a reboot my windows explorer now shows that drive C's total size is 90GB, but the Disk Management tool in windows (and EaseUS Partition ...
6
votes
10answers
466 views

What is the easiest way to free space on a hard drive?

My hard drive became full. I am looking for ways to locate the things that use most of my disk space. I played with cron once so it may have consumed a great deal of space, but really I have no clue. ...
6
votes
5answers
27k views

Windows 7 - missing free HDD space

I have Windows 7 installed on a 45 GB partition, and every now and then it gets full, and I have to resize that partition. I always thought this was quite normal. But it happened again today and this ...
6
votes
3answers
447 views

How does RAID5 work? [duplicate]

In a raid 5 setup, you get 4 TB of usable space out of 3 x 2 TB disks. How is that possible? Simple minded as I am, I would think that you need 4TB to store your things, and use the remaining 2TB for ...
6
votes
3answers
765 views

Does the amount of available free disk space in Windows (XP only?) impact performance?

I remember reading that when the available free disk space falls below 10% of the total disk space on the computer, performance is degraded. If true, can someone explain this in more depth than what ...
6
votes
2answers
751 views

Why does my freshly-formatted disk have 450 MB of data on it?

The answer is probably obvious, but I'm sure enquiring minds want to know: if I erase a disk and reformat it, what's already taking up almost half a gigabyte of space? In this case, it's formatted ...
6
votes
2answers
4k views

Converting FAT32 to NTFS without formatting (server 2008)

I have a FAT32 partition in windows server 2008 machine. How can I convert the partition to NTFS without formatting? My intention is to resize the partition and add some more space to my primary ...
6
votes
1answer
5k views

Newly formatted (NTFS) external hard drive already has 'Used space'. What determines the used space's amount? Is it correlated to the HD's capacity?

I just bought a new external hard drive (WD Elements - 1 TB). In a PC with Windows 7, I formatted it by Right-clicking the drive > Format (Quick Format - NTFS) before using it and, and then checked ...
6
votes
2answers
11k views

Is it safe to remove the Adobe Acrobat 9.0 Professional setup files?

I have a folder located within Program Files\Adobe\Acrobat 9.0 that contains the setup files and takes up a lot of disk space. Can I remove it safely, and why doesn't the Adobe installer ...
6
votes
1answer
585 views

How much space do directories consume?

How much space empty directories take? In Windows and NTFS file system it say '0 bytes' which is impossible. How much is really taken up by a directory? Does it depend on the file system or ...
6
votes
2answers
3k views

Windows 7 : Disk space : windirstat shows 88 GBs used : Windows shows 143 GBs used

The total disk space shown by the "scanner" program is 232GB and the innermost circle shows used space is 143GB. When I check with WinDirStat the total files used are 88GB. Does this mean that the ...
6
votes
3answers
2k views

Why doesn't Windows XP show “Total Size” and “Free Space” for USB flash disks?

When I double click on My Computer, I can immediately see the Total size and Free space for internal and external HDDs, and inserted CD/DVD media, but in the same columns I cannot see these values for ...