What is a wildcard in UNIX?
Give examples of at least two wildcards which can be used in file name specifications.
What is the purpose of the PATH variable? Give examples.
Discuss redirections of standard input, standard output and standard error streams.
What does the x permission mean in the case of a directory? Give an example.
Describe what the grep command does. Illustrate its use with an original example?
List and describe five rules imposed by Java on identifiers. Provide examples using Java syntax.
1700 words Approx.
What is a wildcard in UNIX and other
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