export [-fn] [
value] ...] export -p
Pass (export) the value of one or more shell variables, specified by name, giving them global meaning (they are local by default). For example, a variable defined in one shell script must be exported if its value is used in other programs called by the script. If a value is specified, the variable is set to that value. If no names are given, or with -p, export lists the variables exported by the current shell.
Names refer to functions; the functions are exported in the environment.
Remove the named variables or functions from the environment.
Print names and values of exported variables.
In the original Bourne shell, you would type:
TERM=vt100 export TERM
In Bash, type this instead: