Non-integer quantities are rounded up to the next higher unit.
For bind mounts and without arguments, @command{df} only outputs the statistics
-for the first occurence of that device in the list of file systems (@var{mtab}),
-i.e., it hides duplicate entries, unless the @option{-a} option is specified.
+for the first occurrence of that device in the list of file systems
+(@var{mtab}), i.e., it hides duplicate entries, unless the @option{-a} option is
+specified.
By default, @command{df} omits the early-boot pseudo file system type
@samp{rootfs}, unless the @option{-a} option is specified or that file system
df -a >out || fail=1
grep '^rootfs' out || skip_ "no rootfs in mtab"
-# Ensure that rootfs is supressed when no options is specified.
+# Ensure that rootfs is suppressed when no options is specified.
df >out || fail=1
grep '^rootfs' out && { fail=1; cat out; }