- making memo at os version
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=15.10
DISTRIB_CODENAME=wily
DISTRIB_DESCRIPTION="Ubuntu 15.10
$ arch
X86_64
- adb
- android studio
- apt-get command
- front end development
- git client
- java development kit
- os version up
- terminal