Android Tutorials - Herong's Tutorial Examples - v3.05, by Herong Yang
Bourne Shell Command Line Examples
This section provides a quick introduction of the Bourne shell which is the default shell on the Android system, which is based on the Linux system, which is based on Unix system.
Below is an example of Bourne shell session on my Android emulator. Explanations are provided in "()" below the output of the command.
herong> adb shell # (Starting a Bourne shell session on the Android emulator) # set set ANDROID_ASSETS=/system/app ANDROID_BOOTLOGO=1 ANDROID_DATA=/data ANDROID_PROPERTY_WORKSPACE=8,0 ANDROID_ROOT=/system ASEC_MOUNTPOINT=/mnt/asec BOOTCLASSPATH=/system/framework/core.jar:/system/framework/core-ju... ANDROID_STORAGE=/storage IFS=' ' LD_LIBRARY_PATH=/vendor/lib:/system/lib LOOP_MOUNTPOINT=/mnt/obb OPTIND=1 PATH=/sbin:/vendor/bin:/system/sbin:/system/bin:/system/xbin PS1='# ' PS2='> ' PS4='+ ' (Displays the values of all shell variables) # PS1=\$ PS1=\$ $ (Sets the shell prompt to the dollar sign $) $ cd /sdcard/Download cd /sdcard/Download (Changes directory to /sdcard/Download) $ D=`pwd` D=`pwd` (Sets the current working directory to variable D) $ echo $D echo $D /sdcard/Download (Displays the value in variable D) $ date date Sub Mar 1 22:20:19 GMT 2015 (Displays the date) $ cat > myself cat > myself I am trying to learn Android systems I am trying to learn Android systems ^D (Creates a file and lets you to enter some text) $ ls -l ls -l ----rwxr-x system sdcard_rw 36 2015-03-01 22:24 myself (Lists the contents of the current directory in long format) $ cat myself cat myself I am trying to learn Android systems (Displays the contents of "myself" on the screen) $ mkdir test mkdir test (Makes a new directory) $ touch test/myfile touch test/myfile (Touches a file - Creates a new empty file) $ rm test/myfile rm test/myfile (Removes a file) $ rmdir test rmdir test (Removes a directory)
Table of Contents
Installing JDK 1.8 on Windows System
Installation of Android SDK R24 and Emulator
Installing Apache Ant 1.9 on Windows System
Developing First Android Application - HelloAndroid
Android Application Package (APK) Files
Android Debug Bridge (adb) Tool
AboutAndroid - Application to Retrieve System Information
android.app.Activity Class and Activity Lifecycle
View Objects and Layout Resource Files
Using "adb logcat" Command for Debugging
Build Process and Package File Content
►Bourne Shell Command Line Examples
Unix/Linux Command Line Programs
"dalvikvm" Command to Run Java Application
Samsung Galaxy Tab 3 Mini Tablet
USB Debugging Applications on Samsung Tablet
USB Debugging Applications on LG-V905R Tablet