+ large files > 2Gb, requred for bb fdisk, and all tasks on modern PCs
+ swap (data crunching apps, not enabled by default)

bb:
+ acpid
+ volume label / uuid
* mount options & fstab
* non-posix cp
* getclock(monotonic) preventing glucks with ntpd changing time
* symb ioctl errors
+ mkfs ext2/vfat
+ fdisk/mkfs/chkfs
+ touch cal dos2unix du head tail md5sum cksum (crc32) mkfifo od split
+ find grep
- sha2sum