Answer: REMOVE

The REMOVE command is specifically designed in Snowflake to delete files from internal or external stages. While DELETE and DROP are SQL commands used for data manipulation and schema objects respectively, and TRUNCATE is used for removing all rows from a table, none of these are appropriate for stage file operations. The community discussion shows 100% consensus on option C (REMOVE) with upvoted confirmation that this is the correct command for removing files from stages.

Author: LeetQuiz Editorial Team