use the command define:
Syntax
DEF[INE] [variable]|[variable = text]
Terms and Clauses
Refer to the following list for a description of each term or clause:
variable
Represents the user variable whose value you wish to assign or list.
text
Represents the CHAR value you wish to assign to variable. Enclose text
in single quotes if it contains punctuation or blanks.
variable = text
Defines (names) a user variable and assigns it a CHAR value.
Enter DEFINE followed by variable to list the value and type of variable. Enter
DEFINE with no clauses to list the values and types of all user variables.
Syntax
DEF[INE] [variable]|[variable = text]
Terms and Clauses
Refer to the following list for a description of each term or clause:
variable
Represents the user variable whose value you wish to assign or list.
text
Represents the CHAR value you wish to assign to variable. Enclose text
in single quotes if it contains punctuation or blanks.
variable = text
Defines (names) a user variable and assigns it a CHAR value.
Enter DEFINE followed by variable to list the value and type of variable. Enter
DEFINE with no clauses to list the values and types of all user variables.
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EDIT attempts to invoke the default host operating system editor.