centos7 tar 压缩 解压

• 压缩

[root@localhost app]# ll
total 0
-rw-r--r--. 1 root root  0 Apr 15 22:28 1.txt
drwxr-xr-x. 2 root root 19 Apr 15 22:28 dir
[root@localhost app]# tar -cvf a.tar ./*
./1.txt
./dir/
./dir/2.txt

• 解压

[root@localhost app]# ll
total 12
-rw-r--r--. 1 root root 10240 Apr 15 22:28 a.tar
[root@localhost app]# tar -xvf a.tar 
./1.txt
./dir/
./dir/2.txt
[root@localhost app]# ll
total 12
-rw-r--r--. 1 root root     0 Apr 15 22:28 1.txt
-rw-r--r--. 1 root root 10240 Apr 15 22:28 a.tar
drwxr-xr-x. 2 root root    19 Apr 15 22:28 dir