mincmakescalar(1) on Linux

Flags it lists

• -2
• -average
• -buffer_size
• -byte
• -clobber
• -double
• -filetype
• -float
• -int
• -linear
• -long
• -magnitude
• -no_clobber
• -noclobber
• -quiet
• -rgbtogray
• -rgbtogrey
• -short
• -signed
• -unsigned
• -verbose