Undo is a command in many computer programs. It erases the last change done to the document reverting it to an older state. In some more advanced programs such as graphic processing, undo will negate the last command done to the file being edited.

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Show hidden icons in icon tray through group policy

Had previously hidden the icon tray through group policy and would now like to add the volume control/sound icon back to the tray. I have disabled the "hide the notification area" and forced the ...
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0answers
40 views

CTRL+Z (Undo) history/log command? How to revert?

(Note: I'm using Windows 8.1 x64) So, after decades of using Windows I've just discovered the single most destructive command, and it's an everyday shortcut... The CTRL+Z... Yup, that's right. ...
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1answer
54 views

Can I recover a deleted file from .swp after auto-reloading?

This is related to, but not solved by the question “How can I recover the original file from a .swp file?”. I had two newly-created files a.txt and b.txt open in buffers. The active buffer was b.txt, ...
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12 views

Restoring files from Undo action win8

Instead of making Paste I did accidentally Undo (ctrl+z). Files didn't pass from the recycle bin, they just dissappeared. Is there a way to recover those. This always bothered me form windows.
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1answer
26 views

Undo or Redo on specific lines only

I am working on a file and made some changes I'd like to undo. Is there anyway that I can undo changes that were made in the part of the file where my insertion point currently is? I do not want to ...
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2answers
51 views

Don't load undo file if it's too large in Vim 7.3+

I just copied a massive amount of text (on the order of millions of lines, I think) into a Vim register, opened a new file, pasted, and then proceeded to edit the new copy of the excerpt. Vim was ...
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1answer
49 views

Searching all versions of a file in the undo tree in VIM

Is there an easier way to find a particular change in Vim's undo tree than just looking at random old versions of the file one at a time (either using vanilla VIM commands, Gundo, or another plugin)? ...
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1answer
287 views

Notepad++ Undo History wanted

I cannot seem to find a history in Notepad++ showing you all the actions you did. Sometimes you might not be sure anymore what the next Undo action would do. Does this feature really not exist or I ...
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2answers
85 views

Is it possible to undo a :bdelete in Vim?

I've gotten used to Ctrl-Shift-T in Firefox to undo the closing of a tab, is it possible to get similar functionality in Vim? Googling didn't point me towards anything useful for this.
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1answer
138 views

did cmd change in Windows 7, how to undo?

Windows 7 was not allowing me to add a new folder within folders. So I made the command prompt change using the icacls command below. This includes 'desktop', which included all the shortcut icons. ...
3
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0answers
581 views

Viewing Windows Explorer’s complete Undo history

Background Windows Explorer maintains a list of file operations so that you can undo them (10 operations up to XP and 32 from Vista). You can see the last operation without performing it by opening ...
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2answers
1k views

Google Chrome Undo Closed Tab Command

I would like to set up a button or the combination of button to undo recently closed tab in Google Chrome. I know on mac you can do this, but I want it on PC. Is there any way to make this option ...
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2answers
941 views

How can I get Excel's undo/redo functionality to work in a more traditional *per window* manner (and not for the entire instance of Excel)?

This has been driving me crazy lately. I'm not used to having having a program have a global undo/redo functionality (as in when I undo something, it will undo the last action in any currently open ...
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1answer
164 views

How to undo desktop folder location change in Vista 7?

I did change the desktop folder location to D: for security and backup. However now it seems to be that D: is some how incorporated in Desktop, like if they are only one unit? How I can revert this? ...
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1answer
53 views

Instead of “mv filename.sql newfolder” I did “mv filename.sql /newfolder” and wiped out a bunch of files?

Like I said, I moved a bunch of sql files but instead of moving them to a directory I seem to have renamed them and put them all in the root directory as one file named "newfolder" Can I undo this or ...
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0answers
183 views

Cropping image accident in Photoshop CS5

I was trying to crop an image in a layered .psd file, and instead cropped out the entire rest of the layers and only have the one little image I was trying to crop. It won't let me revert. How do I ...
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1answer
236 views

Finder - undo close window for Mac OS X

I would like to know if there is any utility for Mac OS X (Mountain Lion) that can "undo" closing of Finder windows - much like tabs in a web browser have the "undo close tab" feature: My initial ...
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2answers
283 views

How can I recover from mistaken 'rm *'?

I just typed rm * in the wrong directory by mistake. I had the wrong terminal window highlighted. What are my options?
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1answer
96 views

linux - systemwide undo or go back in time

Is it possible to undo the entire computer's memory to five minutes in the past? For example, a text editor would be at a state of a 5 minutes ago as well as the web browser's state would also be at ...
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1answer
1k views

Undo in Eclipse broken/buggy?

I haven't been able to find anything on the internet mentioning Eclipse's Undo functionality being broken/rubbish, so maybe it's just me. However, I thought I'd ask here and see if anyone else has ...
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0answers
253 views

sublime text: Undoing an “undo followed by typing”?

Wondering if (perhaps via the console in Sublime?) it is possible to recover from a multi-line undo, followed by typing something (a paste, in my case)? IOW, I un"did" a bunch of stuff, meant to just ...
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1answer
3k views

Can I undo a OS upgrade on a Mac?

Can I undo a OS upgrade on a Mac? A couple of days ago, my iMac said software updates were available - did I want to install them. I opted to install them. Ever since then, the computer just randomly ...
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1answer
195 views

Undo deletion of target directory after finding out OS X can't merge directories

I am a developer on OSX. I like to believe I know a lot about computers, but now I feel a mix of sillyness, disbelief and rage. Also, please excuse the drama. ;) I was working on a web project when I ...
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4answers
2k views

Undo tar file extraction mess

I just untar'd an archive that produced a mess of files into my tidy directory. For example: user@comp:~/tidy$ tar xvf myarchive.tar file1 file2 dir1/ dir1/file1 dir1/subdir1/ dir1/subdir1/file1 ...
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2answers
176 views

Search in Vim's undo history

I have a "weird" usage pattern in vim that I often use - or have to use, depending on how you view it. What normally happens is this: I enter some text, do some editing, then remove a bit of text ...
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0answers
98 views

System-Wide Undo Operations

Many, if not all applications have undo and redo operations available, but sometimes I want to undo or redo actions I have done outside a program that has affected it. For instance, say I have ...
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4answers
11k views

How to undo an accidental drag and drop

This happens to me in Windows Explorer (and in Outlook): I mean to open a folder and manage to move the mouse and accidentally drag the whole folder ... somewhere. Usually I notice, but not always ...
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3answers
2k views

How to UNDO in Bash?

I accidentially copied my whole home directory into one of my subdirectories, causing me to exceed my disk quota on a server. Or does anyone know how to undo a command in general?
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2answers
370 views

Undo saved file after close

I've lost a very important file, because when I'm working on it, and I decide to test something there, I've deleted a very important part in it, and then my PC shuts down, so now I have missing a very ...
6
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2answers
1k views

How to determine exactly which file actions will be reverted when doing an Undo in Windows Explorer?

I had a brain fart and forgot which was the last file action I performed in Windows Explorer on XP SP3. Explorer offers an undo but I am not 100% confident I remember what was the last operation I ...
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2answers
2k views

Is there any software that can monitor and undo all registry changes automatically?

Is there any software that can monitor and undo all registry changes automatically? It would be better if there is an option to monitor all changes or changes made by a specific process.
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2answers
6k views

Excel: how to undo in current file only?

Microsoft Excel's undo / redo feature behaves unlike any other program I know. The undo stack seems to be global across all open files, so that undoing sometimes switches to another file and undoes ...
6
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2answers
1k views

How do I make vim's undo buffer persistent across sessions?

When I make an edit to a file and then leave vim, I would like to be able to undo that change when I reopen it later.
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1answer
74 views

reactivate WD Smartware VCD for My Book for Mac

I have used: sudo sh -c "echo UUID=`diskutil info /Volumes/WD\ SmartWare/ | grep 'UUID' | awk '{print $NF}'` none hfs rw,noauto 0 0 >> /etc/fstab" to deactivate the VCD but now want to lock ...
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0answers
258 views

cancel last chmod?

Today is a great day for me - anyone can suggest other restore method than from tape with regard to my last glorious command sudo chmod -R o=rw / Btw I am on HFS+
6
votes
3answers
2k views

Disable Ctrl+Z shortcut or clear undo history in Windows Explorer?

Is there any way to disable the CTRL+Z (Undo) shortcut in Windows Explorer? Alternatively, is there a way to have Windows Explorer "forget" its undo history? The reason I ask is that you may have ...
4
votes
2answers
2k views

Are there any extensions or tricks to reopen several closed tabs in Safari

I know Safari 5 (on Mac) allows undoing of a recently closed tab with Cmd-Z. However, that works only for the very last closed tab. That is, I cannot press Cmd-Z twice to reopen the last two closed ...
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1answer
798 views

How do you undo a Windows XP “Remove from this list”?

How do you undo a Windows XP "Remove from this list"?
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6answers
1k views

How can I discard my undo history in vim?

Undo is nice to have in Vim. But sometimes, at a known good point, I want to erase my undo history - to be able to use u to undo individual changes, but only back to a certain point. (For instance, ...
2
votes
1answer
972 views

How to roll back an update of a Firefox addon

Today I updated Adblock Plus addon from v1.2 to v1.3. After restarting Firefox, I realized that Adblock Plus no more blocks ads no matter if I activate or deactivate it. This seems to be a buggy ...
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3answers
12k views

is there an “undo” command on the unix comand line?

i get the feeling i'm gonna need it one day, like if i've just deleted something i shuldn't have, or renamed something and can't remember what it should be called etc.
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1answer
433 views

Excel 2003 doesn't undo after saving

Every time I save changes on Excel, it doesn't allow me to undo the changes I did before saving. Is that the normal behaviour of Excel 2003 or I have some weird seetting done?
2
votes
1answer
993 views

Is there any way to undo the changes of a file after it is saved

Is there any way to undo the changes of an exel file after it is saved i was workin on a file since yesterday and just before half hour i finish it then just before 5 minute the kids by mistake ...
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1answer
310 views

How to undo operations on the ipad [closed]

To undo operations on the iphone I can shake it. This is a bit difficult for the ipad. Which is the way on this device to undo operations? Thank you
3
votes
1answer
182 views

How to ignore an autocmd in vim's undo history?

I have the following autocommand, which basically strips whitespace at the end of each line. Unfortunately, at each save, it inserts a step into the undo to jump to the beginning to the file, which is ...
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vote
1answer
110 views

I know there's “undo” in vim. What about a “redo”?

I'm used to do ctrl+z in other editors. Sometimes when you press ctrl+z too much, you can use ctrl+y and it redo the last action. How do create this behavior in vim?
3
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2answers
8k views

How to “undo” in command prompt?

If I have done some major change, for example renamed some files etc, how can I roll back the change? Is there a command that does this?
4
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2answers
1k views

Undo Ctrl-w in Vim

I'm a pro user of vim, however, somehow I don't seem to have definitively figured out the use of time based undo, or maybe I don't really like it. Is there a way I can undo a deletion caused by ...
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3answers
1k views

Accidentally deleted a volume in Windows

I accidentally deleted a volume in Windows Disk Management. Is there an easy way to undo that action? Or do I have to use a file recovery tool?
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votes
1answer
993 views

Cursor movement history in Vim

How can I restore cursor position in Vim as it was before scrolling, selecting or PgUp/PgDn? I'm tired of searching where I was before I scrolled up to look something at the top. Are there something ...