“Please backup your files before the migration.”
Usage Entry 1128 / 1605 60-second read
Backup (noun/adj) vs. Back up (verb)
Single-word noun/adjective versus two-word verb.
The comparisoni
“Please back up your files before the migration. (Your backup is in the cloud.)”
The ruleii
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BACKUP (n/adj). BACK UP (v).
BACKUP is the noun or adjective (daily backup, backup disk). BACK UP is the verb (I back up my files). Same pattern as LOG IN / LOGIN.
Memory aidiii
Remember it like this
Verb two words. Noun one word.