Unscramble Posrix

What is the meaning of word posrix unscrambled?

What 6 letter words can be made from letters P O S R I X:

Make more words by adding or removing letters

How many 5 letter words can you make from letters P O S R I X?

1. POSIX - Definition of POSIX

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter P and unscrambling osrix
2) Removing the letter O and unscrambling psrix
3) Removing the letter S and unscrambling porix
4) Removing the letter R and unscrambling posix
5) Removing the letter I and unscrambling posrx
6) Removing the letter X and unscrambling posri

More anagrams containing the letters P O S R I X
posrxi posxir rsixpo rispxo