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7 gru 2012 · As long as you are the owner of the file (or root), you can change the modification time of a file using the touch command: touch filename By default this will set the file's modification time to the current time, but there are a number of flags, such as the -d flag to pick a particular date.
8 kwi 2012 · To change the ctime of a file, you need to do one of the following: Set the system time to the ctime you want to impose, then touch the file, then reset the system time. Modify the kernel to add an interface to change the ctime.
Changing timestamps of a time to the current system time. The default behavior of touch command is to change all three timestamps associated with a file to the current system time. You simply specify the filename as a command line parameter, no oother options are needed.
There are 3 kind of "timestamps": Access - the last time the file was read. Modify - the last time the file was modified (content has been modified) Change - the last time meta data of the file was changed (e.g. permissions) To display this information, you can use stat which is part of the coreutils.
23 lis 2015 · Upon completion, futimens() and utimensat() shall mark the last file status change timestamp for update. The status change timestamp is what you cannot set arbitrarily. The two POSIX functions accept timespec parameters, which provide resolution in nanoseconds.
14 lut 2024 · Every Linux file has three timestamps: the access timestamp (atime), the modified timestamp (mtime), and the changed timestamp (ctime). The access timestamp is the last time a file was read. This means someone used a program to display the contents of the file or read some values from it.
17 lis 2008 · There’s a very simple way to update either atime or mtime for a given file, or even both at the same time: you should use the touch command. Here’s how it can be used to update the atime: ubuntu$ touch -at 0711171533 ./try.
