Unix
The cp command uses:

standard input file
both input and output file
neither standard input nor standard output file
standard output file

ANSWER DOWNLOAD EXAMIANS APP

Unix
The special shell variable $* is used

to process number of the current shell
None of these
to name the command being executed
to exit status of ast command executed.
to list the positional parameters

ANSWER DOWNLOAD EXAMIANS APP

Unix
The ls -l command tells

how large the file is and when the file was last modified.
All of these
who the owner of the file is
None of these
the name of the group owner of the file

ANSWER DOWNLOAD EXAMIANS APP