私はLinuxの初心者で、実際にはAndroid ndkを使用していました（これも初めてです）「ls -l /proc/ /fd/」および「ls -l /data/」コマンドの意味を誰かが説明できるかどうか疑問に思っていましたデータ" 。次のコマンド「ls -l /proc/ /fd/」を実行すると、次の出力が得られました。
lr-x------ root root 2012-09-07 15:56 4 -> /dev/__properties__ (deleted)
lrwx------ root root 2012-09-07 15:56 5 -> socket:[257]
lrwx------ root root 2012-09-07 15:56 6 -> socket:[259]
lrwx------ root root 2012-09-07 15:56 7 -> socket:[260]
lrwx------ app_4 app_4 2012-09-07 15:56 0 -> /dev/null
lrwx------ app_4 app_4 2012-09-07 15:56 1 -> /dev/null
lrwx------ app_4 app_4 2012-09-07 15:56 2 -> /dev/null
l-wx------ app_4 app_4 2012-09-07 15:56 3 -> /dev/log/main
l-wx------ app_4 app_4 2012-09-07 15:56 4 -> /dev/log/radio
l-wx------ app_4 app_4 2012-09-07 15:56 5 -> /dev/log/events
lr-x------ app_4 app_4 2012-09-07 15:56 6 -> /system/framework/core.jar
lr-x------ app_4 app_4 2012-09-07 15:56 7 -> /system/framework/bouncycastle.jar
lr-x------ app_4 app_4 2012-09-07 15:56 8 -> /dev/__properties__ (deleted)
lrwx------ app_4 app_4 2012-09-07 15:56 9 -> /dev/binder
lr-x------ app_4 app_4 2012-09-07 15:56 10 -> /system/framework/ext.jar
lr-x------ app_4 app_4 2012-09-07 15:56 11 -> /system/framework/framework.jar
lr-x------ app_4 app_4 2012-09-07 15:56 12 -> /system/framework/android.policy.jar
lr-x------ app_4 app_4 2012-09-07 15:56 13 -> /system/framework/services.jar
lr-x------ app_4 app_4 2012-09-07 15:56 14 -> /system/framework/core-junit.jar
lr-x------ app_4 app_4 2012-09-07 15:56 15 -> /system/framework/framework.jar
lr-x------ app_4 app_4 2012-09-07 15:56 16 -> /system/fonts/DroidSans.ttf
lr-x------ app_4 app_4 2012-09-07 15:56 17 -> /system/framework/core.jar
lr-x------ app_4 app_4 2012-09-07 15:56 18 -> /dev/urandom
lr-x------ app_4 app_4 2012-09-07 15:56 19 -> /system/framework/framework-res.apk
l-wx------ app_4 app_4 2012-09-07 15:56 20 -> /dev/cpuctl/tasks
lrwx------ app_4 app_4 2012-09-07 15:56 21 -> socket:[616]
lr-x------ app_4 app_4 2012-09-07 15:56 22 -> pipe:[617]
l-wx------ app_4 app_4 2012-09-07 15:56 23 -> pipe:[617]
lrwx------ app_4 app_4 2012-09-07 15:56 24 -> socket:[620]
l-wx------ app_4 app_4 2012-09-07 15:56 25 -> /dev/cpuctl/bg_non_interactive/tasks
lr-x------ app_4 app_4 2012-09-07 15:56 26 -> pipe:[632]
l-wx------ app_4 app_4 2012-09-07 15:56 27 -> pipe:[632]
lrwx------ app_4 app_4 2012-09-07 15:56 28 -> anon_inode:[eventpoll]
lr-x------ app_4 app_4 2012-09-07 15:56 29 -> /system/app/OpenWnn.apk
lr-x------ app_4 app_4 2012-09-07 15:56 30 -> /system/app/OpenWnn.apk
lrwx------ app_4 app_4 2012-09-07 15:56 31 -> /dev/ashmem
lrwx------ app_4 app_4 2012-09-07 15:56 32 -> /dev/ashmem
lr-x------ app_4 app_4 2012-09-07 15:56 33 -> /system/app/OpenWnn.apk
lrwx------ radio radio 2012-09-07 15:56 0 -> /dev/null
lrwx------ radio radio 2012-09-07 15:56 1 -> /dev/null
lrwx------ radio radio 2012-09-07 15:56 2 -> /dev/null
l-wx------ radio radio 2012-09-07 15:56 3 -> /dev/log/main
l-wx------ radio radio 2012-09-07 15:56 4 -> /dev/log/radio
l-wx------ radio radio 2012-09-07 15:56 5 -> /dev/log/events
lr-x------ radio radio 2012-09-07 15:56 6 -> /system/framework/core.jar
lr-x------ radio radio 2012-09-07 15:56 7 -> /system/framework/bouncycastle.jar
lr-x------ radio radio 2012-09-07 15:56 8 -> /dev/__properties__ (deleted)
lrwx------ radio radio 2012-09-07 15:56 9 -> /dev/binder
lr-x------ radio radio 2012-09-07 15:56 10 -> /system/framework/ext.jar
lr-x------ radio radio 2012-09-07 15:56 11 -> /system/framework/framework.jar
lr-x------ radio radio 2012-09-07 15:56 12 -> /system/framework/android.policy.jar
lr-x------ radio radio 2012-09-07 15:56 13 -> /system/framework/services.jar
lr-x------ radio radio 2012-09-07 15:56 14 -> /system/framework/core-junit.jar
lr-x------ radio radio 2012-09-07 15:56 15 -> /system/framework/framework.jar
lr-x------ radio radio 2012-09-07 15:56 16 -> /system/fonts/DroidSans.ttf
lr-x------ radio radio 2012-09-07 15:56 17 -> /system/framework/core.jar
lr-x------ radio radio 2012-09-07 15:56 18 -> /dev/urandom
lr-x------ radio radio 2012-09-07 15:56 19 -> /system/framework/framework-res.apk
l-wx------ radio radio 2012-09-07 15:56 20 -> /dev/cpuctl/tasks
lrwx------ radio radio 2012-09-07 15:56 21 -> socket:[621]
lr-x------ radio radio 2012-09-07 15:56 22 -> pipe:[622]
l-wx------ radio radio 2012-09-07 15:56 23 -> pipe:[622]
lrwx------ radio radio 2012-09-07 15:56 24 -> socket:[625]
l-wx------ radio radio 2012-09-07 15:56 25 -> /dev/cpuctl/bg_non_interactive/tasks
lr-x------ radio radio 2012-09-07 15:56 26 -> pipe:[638]
l-wx------ radio radio 2012-09-07 15:56 27 -> pipe:[638]
lrwx------ radio radio 2012-09-07 15:56 28 -> anon_inode:[eventpoll]
lr-x------ radio radio 2012-09-07 15:56 29 -> /system/app/Phone.apk
lr-x------ radio radio 2012-09-07 15:56 30 -> /system/app/Phone.apk
lrwx------ radio radio 2012-09-07 15:56 31 -> /dev/ashmem
lrwx------ radio radio 2012-09-07 15:56 32 -> /dev/ashmem
lr-x------ radio radio 2012-09-07 15:56 33 -> /system/app/Phone.apk
lr-x------ radio radio 2012-09-07 15:56 34 -> /system/app/TelephonyProvider.apk
lr-x------ radio radio 2012-09-07 15:56 35 -> /system/app/TelephonyProvider.apk
lr-x------ radio radio 2012-09-07 15:56 36 -> /system/app/TelephonyProvider.apk
lrwx------ radio radio 2012-09-07 15:56 37 -> /data/data/com.android.providers.telephony/databases/telephony.db
lr-x------ radio radio 2012-09-07 15:56 38 -> pipe:[730]
l-wx------ radio radio 2012-09-07 15:56 39 -> pipe:[730]
lrwx------ radio radio 2012-09-07 15:56 40 -> anon_inode:[eventpoll]
lrwx------ radio radio 2012-09-07 15:56 41 -> socket:[731]
lr-x------ radio radio 2012-09-07 15:56 42 -> pipe:[750]
l-wx------ radio radio 2012-09-07 15:56 43 -> pipe:[750]
lrwx------ radio radio 2012-09-07 15:56 44 -> anon_inode:[eventpoll]
lr-x------ radio radio 2012-09-07 15:56 45 -> pipe:[753]
l-wx------ radio radio 2012-09-07 15:56 46 -> pipe:[753]
lrwx------ radio radio 2012-09-07 15:56 47 -> anon_inode:[eventpoll]
lr-x------ radio radio 2012-09-07 15:56 48 -> pipe:[754]
l-wx------ radio radio 2012-09-07 15:56 49 -> pipe:[754]
lrwx------ radio radio 2012-09-07 15:56 50 -> anon_inode:[eventpoll]
lr-x------ radio radio 2012-09-07 15:56 51 -> pipe:[756]
l-wx------ radio radio 2012-09-07 15:56 52 -> pipe:[756]
lrwx------ radio radio 2012-09-07 15:56 53 -> anon_inode:[eventpoll]
lr-x------ radio radio 2012-09-07 15:56 54 -> pipe:[762]
そして、「ls -l /data/data」コマンドを実行すると、次の出力が得られました:-
drwxr-x--x system system 2012-08-10 17:07 com.android.providers.set
tings
drwxr-x--x system system 2012-08-10 17:07 com.android.settings
drwxr-x--x app_13 app_13 2012-08-10 17:07 com.android.launcher
drwxr-x--x app_6 app_6 2012-08-10 17:07 com.android.providers.con
tacts
drwxr-x--x system system 2012-08-10 17:07 com.android.providers.sub
scribedfeeds
drwxr-x--x app_0 app_0 2012-08-10 17:07 com.android.providers.drm
drwxr-x--x app_14 app_14 2012-08-10 17:07 com.android.customlocale
drwxr-x--x app_16 app_16 2012-08-10 17:07 com.android.spare_parts
drwxr-x--x app_17 app_17 2012-08-10 17:07 com.android.speechrecorde
r
drwxr-x--x app_18 app_18 2012-08-10 17:07 com.android.term
drwxr-x--x app_0 app_0 2012-08-10 17:08 com.android.providers.dow
nloads
drwxr-x--x app_19 app_19 2012-08-10 17:08 com.android.deskclock
drwxr-x--x app_28 app_28 2012-08-10 17:08 com.android.email
drwxr-x--x app_0 app_0 2012-08-10 17:08 com.android.providers.med
ia
drwxr-x--x app_4 app_4 2012-08-10 19:57 jp.co.omronsoft.openwnn
drwxr-x--x app_6 app_6 2012-08-13 14:54 com.android.providers.use
rdictionary
drwxr-x--x radio radio 2012-08-10 17:07 com.android.providers.tel
ephony
drwxr-x--x app_20 app_20 2012-08-28 19:29 com.android.browser
drwxr-x--x app_21 app_21 2012-08-10 17:07 com.android.packageinstal
ler
drwxr-x--x app_22 app_22 2012-08-10 17:07 com.android.certinstaller
drwxr-x--x app_23 app_23 2012-08-10 17:07 com.android.netspeed
drwxr-x--x system system 2012-08-10 17:07 com.android.systemui
drwxr-x--x app_24 app_24 2012-08-10 17:07 com.android.protips
drwxr-x--x app_25 app_25 2012-08-10 17:07 com.android.camera
drwxr-x--x app_26 app_26 2012-08-10 17:07 com.android.sdksetup
drwxr-x--x app_27 app_27 2012-08-10 17:07 com.android.calculator2
drwxr-x--x app_29 app_29 2012-08-10 17:07 com.android.development
drwxr-x--x app_1 app_1 2012-08-10 17:07 com.android.htmlviewer
drwxr-x--x app_3 app_3 2012-08-10 17:07 com.android.defcontainer
drwxr-x--x system system 2012-08-10 17:07 com.android.server.vpn
drwxr-x--x app_5 app_5 2012-08-10 17:07 com.android.music
drwxr-x--x app_6 app_6 2012-08-10 17:07 com.android.providers.app
lications
drwxr-x--x app_7 app_7 2012-08-10 17:07 com.android.wallpaper.liv
epicker
drwxr-x--x app_8 app_8 2012-08-10 17:07 com.android.fallback
drwxr-x--x app_9 app_9 2012-08-10 17:07 com.svox.pico
drwxr-x--x app_10 app_10 2012-08-10 17:07 com.android.inputmethod.l
atin
drwxr-x--x app_11 app_11 2012-08-10 17:07 android.tts
drwxr-x--x app_12 app_12 2012-08-10 17:07 com.android.soundrecorder
drwxr-x--x app_6 app_6 2012-08-10 17:07 com.android.inputmethod.p
inyin
drwxr-x--x app_0 app_0 2012-08-10 17:07 com.android.providers.dow
nloads.ui
drwxr-x--x app_0 app_0 2012-08-10 17:07 com.android.gallery
drwxr-x--x app_15 app_15 2012-08-10 17:08 com.android.mms
drwxr-x--x app_34 app_34 2012-09-07 15:55 com.hawkagentmain
drwxr-x--x app_35 app_35 2012-09-07 15:55 com.SampleDumpsys.Activit
y
drwxr-x--x app_30 app_30 2012-09-07 15:55 com.android.gesture.build
er
drwxr-x--x app_31 app_31 2012-09-07 15:55 com.example.android.softk
eyboard
drwxr-x--x app_32 app_32 2012-09-07 15:55 com.example.android.livec
ubes
drwxr-x--x app_33 app_33 2012-09-07 15:55 com.example.android.apis
drwxr-x--x app_6 app_6 2012-09-06 20:47 com.android.contacts
drwxr-x--x app_2 app_2 2012-09-06 20:47 com.android.quicksearchbo
x
drwxr-x--x radio radio 2012-09-06 20:47 com.android.phone
これらの出力が何を伝えているか誰にもわかりますか? 心より感謝申し上げます。