Dangerous: mkfs.ext4 /dev/sda1

Dangerous

mkfs.ext4 /dev/sda1

linux · bash · Intermediate

Creates a new empty filesystem on a partition, which discards everything currently stored there. Formatting is the intended behaviour, so there is no confirmation prompt and no way back once it starts.

Signals to notice

Formats a block device
Existing data is discarded without prompting

Think you can spot these under time pressure?

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