Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...
A file system provides attributes for files and directories on an operating system to help you determine which users on your computer can read, modify, or execute the contents of its files and ...
To avert the problems associated with the file locking mechanism, POSIX introduced record locking via the fcntl() syscall (the pre-POSIX lockf() and flock() syscalls provide the same functionality but ...
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