hello, i am working with the MFS in MQX with sdcard. the file system will install on the sdcard. open a mytext.csv file and write on it. now the above code is success fully working. i could log all related data in hot plug n play sdcard. Now with my next requirement in it is, i have to delete all the files (temp, *.*) in the sdcard except the "mytext.csv". i am not able to find proper approch or command in mfs library or MQXMFSUG.pdf file. can any one please give me suggestion that how can i achieve this condition. please help in regards, Regards, Swapnil K.