A-README        this file
    Cat         concatenate files
    CheckHostname.sh    determine if a hostname is valid
    Clear.sh        clear the terminal screen
    DirCmp          compare the files in two directories
    DownShift.sh        downshift the characters in a string
    FullName.sh     return full name of a file or directory
    GetYesNo.sh     ask a yes or no question
    IsNewer.sh      compare the dates of two files
    IsNumeric.sh        determine if a string is numeric
    IsSuperuser.sh      determine if current user is superuser
    IsSystemType.sh     compare string with current system
    Kill            kill a process (send signal) by name
    MailPkg         package files for mailing
    MkDir           create directory and missing path components
    Prompt.sh       print a message without a newline
    Question.sh     ask a question
    Shar            create a shell archive
    SpaceAvail.sh       determine the space available in a directory
    SpaceUsed.sh        determine the space used by a directory
    StrCmp.sh       compare two strings
    SystemType.sh       return the type of the system
    Wc          recursive version of the wc command
    addcolumn       add a column of numbers
    append          append files
    decimal2hex.sh      convert decimal number to hexadecimal
    dircopy         copy the contents of a directory
    findcmd         search for a command
    findfile        recursively search for a file
    findstr         recursively search for a string
    hex2decimal.sh      convert hexadecimal number to decimal
    hostaddr        return the IP address for a system
    ptree           print a process tree