求帮忙做一个linux操作系统的题目 来帮手 追高分。

echo 'XXX' > /etc/hostname

cat > /tmp/xxx.txt

My name is xxx.

I am astudent.

I amparticipating in the test.

Wishes us tosucceed.

Thank you!

ctrl+d结束

3.? chmod 764 /tmp/xxx.txt

chown mail:mail /tmp/xxx.txt

4. ls -l /tmp/xxx.txt

5. cd /tmp

mkdir wlgc

pwd

6. mv /tmp/xxx.txt /tmp/wlgc/1234.txt

7. less /tmp/wlgc/1234.txt

8. cp /tmp/wlgc/1234.txt /tmp/.

tar cvf 5678.tar /tmp/wlgc

9. mv 5678.tar /tmp/wlgc/.

10.? wc -l -w /tmp/wlgc/1234.txt

11．echo "i don't link Linux." >> /tmp/wlgc/1234.txt

echo 'i like playgames.' >> /tmp/wlgc/1234.txt

12． alias XXX='history'

13．XXX 5

XXX > /tmp/wlgc/90.txt

14． cat /tmp/wlgc/90.txt