[SOLVED] copy paste multiple command in single line

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http://ubuntuforums.org – hi all. i wondering if there any way to copy paste multiple command into single line. for eg: command 1: go to dir.. cd /usr/lib... command 2:make a new folder in the dir.. mkdir 20121016 command 3:copy into new folder.. cp * 20121016 im using putty to remote my machine, so everytime to backup my folder, i doing this. copy paste one by one command. how i can put all three command in single line, so that i just need to copy paste one time only. Thanks. (Hardware)