In computing, the term "read-only" refers to the ability to read, but not alter or delete something. This is most typically used in reference to file system permissions, but can also refer to devices, such as read only memory (ROM), or storage media which cannot be written to.

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Can not write to nfs mount despite r/w permissions in place

Somewhat puzzled by the following and hoped there would be someone on here to advise: [root@mybox02 ~]# mount | tail -1 mystor01:/spool1_fs1/ on /global type nfs (rw,addr=xx.xx.xx.25) [root@mybox02 ...
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7 views

External drive is read only - How do I convert to writeable [duplicate]

I am trying to create a new folder and save video files to an external drive. I had no problems saving audio and images to the drive using my PC laptop before the laptop died. On my new Mac OSX ...
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1answer
52 views

Does marking files as readonly make them secure?

In Windows (or any OS, really), does marking a file as "Readonly" make it less susceptible to malware and unwanted manipulation? Additionally, should I still scan readonly files for viruses and other ...
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2answers
625 views

Can't remove read only attribute from folder windows 8.1 [duplicate]

I am using windows 8.1 64 bit I am unable to remove the read only attribute on folders on my computer. I have tried multiple folders on my desktop, and in my documents folder, if I uncheck the read ...
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22 views

turning off read only…have tried multiple avenues

I have 2 separate workbooks that I am hyperlinking. When I try to save the document I get a message that the file is read only and to save a copy. I get this for both workbooks that I am ...
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1answer
43 views

External HDD appears to be mounted rw, but switches to ro

When I first mount my external HDD, it claims to be mounted rw: # mkdir /media/external-hdd # mount /dev/sdb1 /media/external-hdd # mount | grep sdb1 /dev/sdb1 on /media/external-hdd type ext3 ...
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1answer
33 views

What is the use of a Read Only partition?

What is the use of a read-only partition? I am particularly interested in gpt-formatted disks. If the partition is read-only, then data cannot be written to it. If we're reading data from it, then how ...
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1answer
104 views

SD cards often mount read-only on Windows despite being unlocked and always working in cameras

I have a HP netbook that's at least three years old and running Windows 7 Starter. It has a built-in SDHC card slot. I have a couple of 8 gig SDHC cards that I switch between my digital camera and ...
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4answers
374 views

Why are write blockers needed when there is mount with read-only?

Let’s say we're using some flavor of Linux and we mount a partition using following command: sudo mount -o ro /dev/sdc1 /mnt The partition is supposed to be read-only so that the OS and user cannot ...
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0answers
53 views

How I mount an image on linux in fake read-only mode?

I have a image, that I want to mount read-only. I know how to do it: losetup -r /dev/loop0 /path/to/image But the problem is that any attempt to write to this device, will produce an error that the ...
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2answers
8k views

Remove read-only attribute from folder - Windows 8.1

I reinstalled a fresh copy of Windows 8.1 on my laptop after formatting drive C. Then I tried to access my Photos folder on drive D and got the error Access is denied. It turned into a Read Only ...
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2answers
68 views

How to get Excel to show username of person that has file open?

When our admin staff try to open an Excel document on a shared network drive that someone already has open, they get the following message. The name shown (under the red box in the snapshot) is not ...
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1answer
26 views

Read-only, encrypted flash drive [closed]

Is there any hardware or software way to make a flash drive encrypted and read-only? I want to give this flash drive to someone, have them be able to open and read files, but not able to copy the file ...
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27 views

Why can't I use “Find” in a password read-only Word document?

After some testing, it appears that if you use the "password to modify" feature on a Word document, and you opt to open it as read-only, it disables almost every feature, including things like "Find", ...
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9answers
2k views

Make some content on USB drive read only

I am having a 8GB pen drive, I need to put a PowerPoint into that and make it read only. Rest of the space should be usable for the user. Assuming the user will be using Windows only, what are my ...
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1answer
119 views

External HDD gets into read only mode over and over again

I have an extarnal HDD that put itself in read only mode on a regular base. For the record I know how to solve this problem via Diskpart. I even have created a script for it! The problem is that it ...
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1answer
50 views

Make all files and directories read-only

I would like to ask if this is possible: I want to make all files and folders (including all sub-directories) from folder X to be read-only. But if I copy the files from folder X to folder Y, which ...
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1answer
110 views

Handheld Terminal SD Card error: the file may be in read-only memory, on a write-protected disk or used by another application

I have a handheld terminal and I have made the terminal connect to the PC using USB cable. Also, SD Card is also in the handheld terminal slot. Till a few days ago, I was reaching the files in SD ...
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1answer
128 views

How do I take full control of read only status for any file or folder on a Windows 8 machine

I've just got a windows 8 machine and it seems to suffer from the same permissions bug as windows 7 whereby a folder is set to read only, seemingly arbitrarily, and it's impossible to unset. I've ...
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1answer
41 views

MicroSD (transFlash) card loses all writes

I have used a 64GB TransFlash cars from SanDisk for over 1,5 years and now, after I wrote a large WAV file to it, it started to behave in a strange way: all the files and folders on it are readable. ...
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0answers
18 views

Photoshop - Multiple user woes

Our office is currently having a problem with Photoshop with regards to multiple users working on the same file. For example 2 users can be editing the same file on the network creating confusion when ...
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2answers
5k views

External hard drive won't format due to “read-only” files

I have an external hard drive that has all of my media and files on it. It normally boots right up, but for some reason it's been having trouble. I normally use it on 2 computers, one with windows ...
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1answer
172 views

My USB pendrive always goes read-only, what can I do?

I have a transcend 16 Gb usb pendrive. I save my daily works to it. I wrote a bash script to copy the contents of my working directories to the pendrive. The bash script contains only "cp" and "mkdir" ...
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2answers
595 views

removing read-only access for a folder in windows XP

So I have this windows XP box which has a folder. When I look at its properties, it read-only is enabled. When I uncheck this checkbox and saves it, it saves with no messages, but when I open it again ...
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2answers
340 views

Changing file permissions on an HFS+ filesystem

I ran the command fdisk -l to find out what my external drive is formatted to, I found out it's uses GPT partitions and the filesystem is HFS+. When I try and create a new folder on the external ...
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1answer
173 views

How to make a named cell read-only

I would like to make a cell "Cell Name" read-only. I found this code here but don't know how to use the String value instead of the range: Private Sub Worksheet_SelectionChange(ByVal Target As ...
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2answers
55 views

What to use for recovery disk when CD is not an option

I have a computer that has no optical drive and getting on to work with that is very hard(believe me I've tried). What are some alternatives for recovery media in case the current OS fails? I have ...
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2answers
94 views

How do I make a file “truly” read-only in Windows 7?

In Linux it is pretty straightforward to give the ownership of a folder and a file within and all their permissions to the root account, then giving users read-only access to the file. This means ...
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0answers
53 views

Windows 7 directories stay read-only, even after they are changed to read-write

In my Windows 7 installation, some USB directories are read-only, and even after they are changed to read-write, checking their properties reveals that they are still read-only. See screen-shots. I ...
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0answers
31 views

Unable to ZERO a block device

I seem unable to formate this flash drive, every method offers a read-only error. There is no physical "lock" switch on the flash drive what so ever. sudo dd if=/dev/zero of=/dev/sdc bs=1M [sudo] ...
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1answer
415 views

Sandisk USB drive is read only

For some reason, I have recently been having problems where my SanDisk 32GB Cruzer USB Flash Drive will mount as read-only. It was occasional at first, but now it is full blown and will not allow any ...
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1answer
68 views

Linux - How do I make a single folder RW and the rest of the filesystem RO?

I have successfully configured my Debian Linux's file system to be read-only. I made several changes, however the file relevant to this question is /etc/fstab: proc /proc proc ...
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3answers
35 views

Make sure command entered is Read Only

I am creating an API that takes in any command (in bash) and executes it at the root. I want to ensure this command is RO and does not write anything. Any ideas of how to go about this? Maybe it can ...
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1answer
117 views

My D Drive is Read Only

After failing to import data from one Oracle database to another (in my D drive) my computer hung and I had to manually reboot my machine. Now my D drive is read only. I cannot create files, add ...
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31 views

How to provide DRM/file security across an entire DFS?

I can't seem to find an answer to this myself and have come across several barriers to trying to even get started on it. The background is: I manage the systems and technologies used by 60 schools ...
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0answers
27 views

Copy-protecting files on an HDD [duplicate]

I have an HDD, with files that I don't want to be "stolen". The HDD is used by my employees. They need the files (pdf-s, some portable program and html files) for their work, but I don't want them ...
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0answers
111 views

Access database shows as read-only on one workstation (unless logging in with domain admin privileges)

We have an Access database stored on a central server on our LAN, accessed by 20 domain-joined PCs (15x Windows 7, 5x XP). For some reason, one of our XP workstations only allows users to access the ...
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1answer
2k views

Access 2010 Table appears to be locked and can't be modified? How do I unlock it?

I have rather simple Access 2010 database. I needed to add a new field to one of the tables. While in Datasheet View, I Clicked the "Click to Add" column header and defined a new field. I went to ...
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1answer
183 views

locked myself out of fedora system

I made a mistake and cannot log into my fedora (18) machine anymore. The system only has one user, when I was logged in as that user I locked that user such that it cannot create new processes and ...
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0answers
69 views

Chipbank udisk - How to create readonly partition for company catalog purpose

I've ordered some usb drives for my company with laser logo and so on. As we had no time to wait for the "preloading" of the catalogs, we got them blank. I checked with a tool the chipset of the ...
2
votes
1answer
154 views

What files must be writable for a password change on a RHEL6 read-only file system?

I have a RedHat 6 system that is intentionally configured to be read-only file system. We use /etc/rwtab to allow certain files to be writable (log files and such). /etc/sysconfig/readonly-root is ...
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4answers
483 views

Will mounting a file system read-only increase the lifespan of an SSD?

Let's assume I have some data that once created, never again has to change. I have copied this data to an SSD and then re-mounted the file system as read-only and leave it that way from now on. Will ...
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1answer
101 views

MS Excel - is it possible to change from writeable to read-only?

I have a question if it is possible while using MS Excel spreadsheet to change how it's open from writeable to read-only without closing it? I am working on the network file and sometimes when ...
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1answer
221 views

Read Only/Write Protected USB pen drive is not write protected on other PCs

I want to make one of my USB drive write protected. I can make it write protected on my desktop(windows 8.1 pc) by using the command prompt "diskpart" method. Now the usb is write protected on my ...
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1answer
946 views

Restoring Outlook 2010 pst read only file

I am attempting to restore an Outlook 2010 pst file from my file history, but I cannot because it is read only and I do not have permission. I never set it as read only and it is from my old computer ...
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1answer
2k views

Repairing-without-formatting a Read-Only/writeprotected USB drive

I've got a 32gb USB 3.0 thumbdrive and it's been acting up on me as of late. Most of the time I could just unmount and remount it on my Mac's main partition and viola, it'd be working again. However, ...
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69 views

How to increase IO for operation “SELECT”?

I use windows server 2008r2 with role Hyper-V. The guest system is Ubuntu 12.04 LTC (64 bit). It is situated on the dynamic virtual hard disk /dev/sda. There is postgresql-9.1 (amd64) on the Ubuntu ...
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0answers
123 views

Excel says file is unreadable in Read-only, but the file is fine in normal mode

I've done extensive research and tried re-installing Office 2010 a few times, but I cannot seem to be able to open files in Read-Only mode in Excel. Whatever the extension (xls, xlsx, xlsm, xlsb...), ...
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0answers
215 views

USB Drive went into Read-only mode and doesn't allow me to write or delete anything

I am using Linux kernel 3.4.56 and I was working with a USB stick but while doing a system upgrade procedure, it went into read-only mode. And now it doesn't allow me to write or delete anything. I ...
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1answer
375 views

Open Word document from SharePoint as Read Only via Windows Explorer

I have Windows Explorer configured to point at a couple of directories from SharePoint: https://teams/projects/myproject/ProjectDocuments https://teams/projects/myproject/SharedDocuments ...