paste [-s] [-d " "] [file1] [file2]
-s:将文件合并成行
-d:显示时的分割符
//1.txt
1 6
2 7
3 8
4 9
5 10
//2.txt
a f
b g
c f
d i
e j
paste -d " " 1.txt 2.txt
paster -s -d " " 1.txt 2.txt
paste [-s] [-d " "] [file1] [file2]
-s:将文件合并成行
-d:显示时的分割符
//1.txt
1 6
2 7
3 8
4 9
5 10
//2.txt
a f
b g
c f
d i
e j
paste -d " " 1.txt 2.txt
paster -s -d " " 1.txt 2.txt