I got the following output when I apply ls -l command in my Mac OS X Mavericks for an image file: I understand what does -rw-r--r-- mean. But what does the @ sign and the number next to it mean? Is ...
Superuser account is disabled by default in OS X (Mavericks). But if you run sudo -l you will come to know that the admin user can execute all superuser commands. Then what is the point of disabling ...
I need a way to securely wipe guest accounts accounts off of my machine. On OSX, guests are automatically deleted on logout, with this deletion being done using the "RM" command. I need a way to alter ...
Regarding Unix file permissions, which Macs use, why are Mac files in particular able to have multiple owners? For instance, you can view the "Get info" panel of a file, and under the Permissions ...
I have tried to copy an ISO file to a USB drive. I am unable to do it with Disk Utility. How can I copy the ISO file to a USB drive? But I get the below. I have enough space in the 16GB USB drive ...
I don't have an Apple computer, only iPad and Debian computer but I still would like to add a feature to iOS app here. Earlier I found out that I can download Xcode, more here, from Apple Store. Now I ...
In Red Hat, if there is a path somewhere on my terminal window and I triple click it, the whole path is selected. I can then easily copy it using middle-click or a regular copy-paste. This doesn't ...