Backup and Restore

 step 1) tar -cvf  /tmp/backup.tar /etc

step 2) ls -l /tmp

step3) gzip /tmp /backup.tar 

step 4) ls -l /tmp

step 5)gunzip /tmp/backup.tar.gz

step 6) ls -l /tmp

step 7)tar -xvf /tmp/backup.tar

step 8) will see  directory etc is extracted

[root@ip-172-31-40-252 tmp]# ls -l

total 28276

-rw-r--r--  1 root root 28928000 Jun  2 04:03 backup.tar

drwxr-xr-x 82 root root     8192 Jun  2 03:55 etc