Clone ownership and permissions from another file?
Is there a command or flag to clone the user/group ownership and permissions on a file from another file? To make the perms and ownership exactly those of another file?
files
What happens when you delete a hard link?
If you do rm myFile where myFile is a hard link, what happens?
How to copy directories with preserving hardlinks?
How to move directories that have files in common from one to another partition ?
List of Recently Modified Files
How can I Get a list of all files modified , say 3 months ago.
I checked this question but I was not able to apply it to my scenario.
I am trying this now , it seems to be working , but I know there should be a better way using find.
What is a valid use case for an “execute only” file permission?
I was reading up on chmod and its octal modes. I saw that 1 is execute only. What is a valid use case for an execute only permission? To execute a file, one typically would want read and execute permission.
How to move and overwrite subdirectories (and files) to parent directory?
I have a ton of files and dirs in a subdirectory I want to move to the parent directory. There are already some files and dirs in the target directory which need to be overwritten. Files that are only present in the target should be left untouched. Can I force mvto do that? It (mv * ..) complains
How do I loop through only directories in bash?
I have a folder with some directories and some files (some are hidden, beginning with dot).
How does Linux choose which application to open a file?
If a file tells the OS its file format, how does the OS choose which application to open it by default?
I accidentally chmod -R +x on a directory. How do I restore the correct permissions?
Well, to be specific, it was chmod -R 755. Now every file is executable, which I don’t want.
I am thinking that I should look at the first two bytes of each file for the #!, but will this cover everything? Should I instead use file to look at everything and base my decision on that? Or, more likely, is there an even better way to do this?
get age of given file
How can I get the age of a given file in, at least, days?