jfs_mkfs (8) Linux Manual Page
jfs_mkfs – create a JFS formatted partition Synopsis jfs_mkfs [options] device [ blocks ] Description jfs_mkfs is used to create (format) a JFS partition. jfs_mkfs must be run as root. device is the special file name corresponding to the actual device (e.g. /dev/hdb1) on which a JFS file system and/or JFS journal will be created….
