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A read only file is an attribute of the file. You can read the file (which is what vim did), you can make changes (which vim did), but you CANNOT write the file.
What you usually do is write to a different name.
Now a zip file has compressed contents. You really can't edit the contents without first decompressing what you are going to edit. The result of "editing" a zip file is usually garbage. Unusable by zip to decompress (the checksums/decompression fails), meaningless for any use.
No, I dont want to create trojan . Anyway how to change the access rules. I already change it permission. But no use
A simple chmod command will change the access. If you aren't allowed access because someone else owns the file, then you aren't allowed to edit the file. Copy it, edit the copy. BTW, changing the zip file belonging to someone else is considered making a trojan.
A simple chmod command will change the access. If you aren't allowed access because someone else owns the file, then you aren't allowed to edit the file. Copy it, edit the copy.
But iam the owner of the file, i already try the chmod with 755 permissions ,
I see all the stages and the steps you have followed, however, I repeat, nowhere in the entire page does it say the zip file is read only. It only says that you are editing the zip file.
Maybe vim opens the file as read only if a swap file is present and option v:swapchoice = "o" is set in vimrc
You can use ' :set noro ' to exit read only mode in vim
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