MacOS – Permission denied when I try to change a file’s access and modification times

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I can't change a file’s access and modification times. When I enter touch t- CCYYMMDDhhmm.SS file.example , I get "permission denied". It works for other files. I tried to use chmod +x file.example but I am not sure I am using it correctly. What should I write, please ?

Best Answer

The command should be touch -t (date) file.example

chmod +x just makes the file executable – it should not affect the date - but if you still want to use it, you can do it like this:

chmod +x file.example
touch -t 0401200 file.example

Also, check that you have write permissions on the file by running ls -l file.example (or right-click on the file in Finder and choose Get Info, then look at 'Sharing & Permissions').

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Its a permissions issue. To resolve simply, first copy the file to /Users/Shared/, then copy again from there, then try to troubleshoot your permissions issues afterwards. You are logged in as administrator, yet you still are lacking the authority to escalate to root or change permissions, and that is odd. Even as admin, you would still need root access to move a file belonging to one user to another users' account. In Terminal, try sudo bash and enter your password when prompted. To use mv command, the syntax is mv /path/to/origin/file /path/to/destination/directory/

Also, changing permissions with chmod doesn't change ownership. You use chown for that.

Best Answer

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