Unverified50% confidenceFactExact time
In df -Pm, -P forces POSIX format to ensure a fixed six columns per line, and -m outputs in MB; combining the two lets scripts parse available space by stable column numbers; if the target system does not have GNU coreutils (such as BusyBox or macOS), the df -Pm arguments may not be accepted, and the preflight script needs a fallback branch.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
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