The ABLE command line has a useful help system available, the help command gives a list of all known commands, some commands have a --help parameter which is another way to obtain the help text.
Example 3.2. Getting help on the uname command
>help Internal commands are: sh autoboot sbcd bast-hdlcd pic-wr pic-rd bast-at2 bast-at dmcfg-rd dmcfg-wr pmu shadow mii ifconfig [ test console display file hwinfo wrout version nvclear nvunset nvsave nvshow nvset uname sum tasks sleep showhz sysmsg setopt showargs setargs reset memset meminfo peek poke modules ls lsfs help echo dumpfile dump cat cp cd pwd boot load history sysspeed settime setdate devls date Use: help <command> to get brief explanation <command> --help for command usage (if available) >help uname Help on uname: Usage: uname [OPTION]... Print system information. No OPTION is the same as -s. -a, --all all information in the order: -s, --kernel-name kernel name -n, --nodename network node hostname -r, --kernel-release kernel release -v, --kernel-version kernel version -m, --machine machine hardware name -o, --operating-system operating system --help display this help and exit --version display version and exit Please report bugs to <support@simtec.co.uk> >uname --help Usage: uname [OPTION]... Print system information. No OPTION is the same as -s. -a, --all all information in the order: -s, --kernel-name kernel name -n, --nodename network node hostname -r, --kernel-release kernel release -v, --kernel-version kernel version -m, --machine machine hardware name -o, --operating-system operating system --help display this help and exit --version display version and exit Please report bugs to <support@simtec.co.uk> >uname -a ABLE unknown 2.20 #1 Tue Feb 14 12:06:59 GMT 2006 s3c2410x ABLE >