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su substitute user.. and su is a unix command used to run the shell of another user without logging off..
Unix work is performed by users of the unix system, for application and system programs, or anything that requires a Unix system.
UUCP is the abbriviation of Unix to Unix copy. It is worldwide email system called UUCP or Unix to Unix copy.This email system was developed for the operating system called Unix.
Unix came first; Linux is a clone of the Unix Operating System.
Super User! That allows you to assume full control over the system (Linux/Unix) when you log on as a regular user. You'll need a password.
Linux is an open system, Unix is not.
Yes. UNIX is a computer operating system.
Yes, Unix is system software. It is a kind of operating system.
A user may switch their identities when logged in using the 'su' command. On some systems the 'su' command may be restricted.
The operation and maintenance of a Unix system.
There is no the system file. There are many files necessary to create a working Unix system.
In 1984, another factor brought added attention to UNIX system