Difference between su and su-
Describe difference between su and su- ?
Expert
There is little difference in both of these commends.
su : just switch to user mode (root) but didn't provide the total user environment
su - : provide complete user environment and direct jump to user home directory also.
UNIX OS shell: A shell is an interactive user interface to operating system services which permits a user to enter commands as character strings or via a graphical user interface. The shell transforms them to system calls the OS or forks off a process
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V-V method that overcome Black-Box tesing problem:1. Model checking can produce minimal sets of test cases that guarantee certain coverage criteria for example by using symbolic execution modes of the model checker (mitigates conditions a
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