$android list avd
Available Android Virtual Devices:
Name: AVD-2.1-HVGA
Path: /home/user/.android/avd/AVD-2.1-HVGA.avd
Target: Android 2.1-update1 (API level 7)
Skin: HVGA
Sdcard: /home/user/mydroid/sdcard.img
---------
Name: AVD-G2.1-WVGA800
Path: /home/user/.android/avd/AVD-G2.1-WVGA800.avd
Target: Google APIs (Google Inc.)
Based on Android 2.1-update1 (API level 7)
Skin: WVGA800
Sdcard: /home/user/mydroid/sdcard.img
---------
Name: AVD-2.2-HVGA
Path: /home/user/.android/avd/AVD-2.2-HVGA.avd
Target: Android 2.2 (API level 8)
Skin: HVGA
Sdcard: /home/user/mydroid/sdcard.img
---------
Name: AVD-1.6
Path: /home/user/.android/avd/AVD-1.6.avd
Target: Android 1.6 (API level 4)
Skin: HVGA
Sdcard: /home/user/mydroid/sdcard.img
---------
Name: AVD-1.5-HVGA
Path: /home/user/.android/avd/AVD-1.5-HVGA.avd
Target: Android 1.5 (API level 3)
Skin: HVGA
Sdcard: /home/user/mydroid/sdcard.img
Name 중에 실행하고자 하는 것 골라서
$emulator -avd AVD-2.1-HVGA &