Variables in the Transport Profile 
In the transport file, you can use variables by entering parameters.
Enter these variables in the following format:
$(xyz) . You can mask the brackets with the "\" character, if required.The following variables are available:
The CPU name (
alphaosf , hp , rm600 , rs6000 , sun , wnt , as4 ) This can be important for operating systems in heterogeneous networks.This variable contains an acronym for the name of the operating system. The same acronyms as those used for specifying operating-system-specific parameters are used:
aix , hp - ux , osf1 , sinix , sunos , and wnt .Abbreviation for the day of the week (SUN,MON,...)
Day of the current month (01-31)
Abbreviation for the name of the month (JAN,FEB,...)
Month (01-12)
Name of the SAP System
Day of the week (00-06, Sunday=00)
Day of the current year (001-366)
Year (four digits)
Short form of the year (two digits)
Calendar week (00-53)
Windows NT
If you have identified a central transport host on the domain name server (DNS), use the entry
transdir only with this acronym.