The maximum number of characters in a Transaction Code
How many characters can be used in a Transaction code?
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Max length of Tcode is 20.
To check u can go to TCODE SE93 in menu bar click UTILITIES -FIND -u will get tcode field there u can see max length of t codes. which is 20
To see list of tcode u can type say V* and can give number of hits .
Keep posting questions & u r welcome.