There are four ways to specify that a file is in UNIX System Services when you use the FILENAME statement or FILENAME function: You can also use these specifications in combination. For example, you ...

The first thing this particular script does is request that the user select the file system that he is concerned about. We do this with a select statement. However, to ensure that we are looking ...

That string, “247o (root)”, in fuser’s response tells us that root is using the file, what the particular root process ID happens to be (247) and that this process has the file open (o).

The old UNIX file permission system is commonly the only method of access control that people use. The basic file ownership permissions (user, group, and world/other) on UNIX are a bit outdated.

HP announced Monday it is letting its Tru64 Unix Advanced File System source code run free in the Linux community. Access to this code will provide capabilities that increase uptime, enhance security ...

The Unix operating system is one of computing's most significant technologies, providing the framework that the familiar Linux and Mac OS X operating systems were developed on. Unix can be a ...

Whether you are using the command as input or output depends on whether you use the fileref in a reading or writing operation. For example, if the fileref is used in an INFILE statement, then the SAS ...

The /etc/inittab file controls what happens whenever a Unix system is rebooted or forced to change run levels. Let's take a look at the configuration lines that tell your system what it's supposed ...

But if you need the whole Posix subsystem--including file system mapping and the like—then you need to use the POSIX.EXE command as a front-end loader for the Unix-style command to create the ...