hello every one

can any one help me out i just want to trace what ever i am doing in linux 8.0 in the text mode to be saved in a text file so that at the end i can see my work what i have do. its just like oracle spool so you can see your work at the end .
for example what ever command u gave and what output came just like logging.

so kindly tell me how to do this.

regards,
shary