Alias for directory listing sorted by time modified in reverse order

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http://unix.stackexchange.com – When I need to find my recently used files, this command: ls -lt lists in ascending order (by time), when there are lots files, I need to scroll to the top to see needed files, because wont fit in terminal screen. After finding out that tac inverses the output, I use: ls -lt dir/ | tac Is there more fun way of doing it, without using external scripts/utils? (HowTos)