backward and forward
Adverb
Meaning
moving from one place to another and back again
Source: WordNetSynonyms
Antonyms
Examples
Life swings like a pendulum backward and forward between pain and boredom.
I loved you backward and forward in time. I loved you beyond boundaries of time and space.
he traveled back and forth between Los Angeles and New York
the treetops whipped to and fro in a frightening manner
the old man just sat on the porch and rocked back and forth all day
For backward and forward compatibility LFNs were implemented as an optional extension on top of the existing FAT file system structures using a workaround in the way directory entries are laid out.