docker save : Saves the specified image as a tar archive file. OPTIONS description: -o : The file to which you output. Generate my_ubuntu_v3.tar documents from mirrored runoob/ubuntu:v3 2.58.1. Grammar ¶
docker save [OPTIONS] IMAGE [IMAGE...]
2.58.2. Example ¶
runoob@runoob:~$ docker save -o my_ubuntu_v3.tar runoob/ubuntu:v3
runoob@runoob:~$ ll my_ubuntu_v3.tar
-rw------- 1 runoob runoob 142102016 Jul 11 01:37 my_ubuntu_v3.ta
Principles, Technologies, and Methods of Geographic Information Systems 102
In recent years, Geographic Information Systems (GIS) have undergone rapid development in both theoretical and practical dimensions. GIS has been widely applied for modeling and decision-making support across various fields such as urban management, regional planning, and environmental remediation, establishing geographic information as a vital component of the information era. The introduction of the “Digital Earth” concept has further accelerated the advancement of GIS, which serves as its technical foundation. Concurrently, scholars have been dedicated to theoretical research in areas like spatial cognition, spatial data uncertainty, and the formalization of spatial relationships. This reflects the dual nature of GIS as both an applied technology and an academic discipline, with the two aspects forming a mutually reinforcing cycle of progress.