BASH print 2 files

Question

I want to print the output of file1 to first column in new file and file 2 to the second column in the new file.

Something like this.

file1  
AAA    
BBB  
CCC    

file2
XXX   
YYY   
ZZZ  

file3   
AAA   XXX
BBB   YYY
CCC   ZZZ

Answer 1

paste command will do this job out-of-the-box:

paste file1 file2 > file3
AAA     XXX   
BBB     YYY   
CCC     ZZZ

Answer 2

Try this click here

You can use paste and format using cut to remove leading and trailing spaces