tee

Question 1

tee

Answer 1

Copy standard input to each FILE, and also to standard output.

Question 2

tee

• a
• i
• p

Answer 2

• a, –append, Append to the given FILEs, do not overwrite.
• i, –ignore-interrupts, Ignore interrupt signals.
• p, Diagnose errors writing to non pipes.

Question 3

tee –output-error[=MODE]

Answer 3

Set behavior on write error.

‘warn’ Diagnose errors writing to any output.

‘warn-nopipe’ Diagnose errors writing to any output not a pipe.

‘exit’ Exit on error writing to any output.

‘exit-nopipe’ Exit on error writing to any output not a pipe.

Default = ‘warn-nopipe’