bash return codes

What will the return code likely be?

• 0

• >0

• Depends on the contents of the file

What does this likely mean?

What is the exit code likely to be?

• 0

• >0

Answer explanation

Return code refers to the last command executed, which is in this case the echo, not ls.

I think of pipes & redirects as arguments. According to this, which are treated as arguments?

• pipes

• redirects

• both

• neither

What will the exit code likely be?

• 0

• >0

Answer explanation

Again, exit code is generated by the very last command executed. What is it this time?

What is the return code?

• 0

• >0

Answer explanation

Again, exit code is generated by the very last command executed. What is it this time?