Exam 7: Working With the Bash Shell

Provide information on decision constructs, and explain how to use the most common type of decision construct.

​Match each correct item with the statement below.​ a.​counter variable b.decision construct​ c.​environment variables d.​file descriptors e.​hashpling f.loop construct​ g.​redirection h.Standard Error (stderr)​ i.​Standard Input (stdin) j.Standard Output (stdout) -​The process of changing the default locations of Standard Input, Standard Output, and Standard Error.

​Match each correct item with the statement below.​ a.​counter variable b.decision construct​ c.​environment variables d.​file descriptors e.​hashpling f.loop construct​ g.​redirection h.Standard Error (stderr)​ i.​Standard Input (stdin) j.Standard Output (stdout) -​A file descriptor that represents the desired output from a command.

What two files below are the first two BASH environment files to be executed?​

​What construct is intended for use in processing a list of objects, such as files, directories, users, printers, and so on?

Describe shell variables, and explain environment and user-defined variables.

Select the two escape sequences that represent a horizontal tab and a vertical tab, respectively:​

​Match each correct item with the statement below.​ a.​counter variable b.decision construct​ c.​environment variables d.​file descriptors e.​hashpling f.loop construct​ g.​redirection h.Standard Error (stderr)​ i.​Standard Input (stdin) j.Standard Output (stdout) -​The variables that store information commonly accessed by the system or programs executing on the system; together, these variables form the user environment.

A case construct must be ended by ____________________.

Any command that can take standard input and transform it into standard output is called a(n) ____________________ command.