diff --git a/README.md b/README.md
index a68b2ea..1c228a8 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,6 @@ Cicada is a simple Unix shell written in Rust.
 ## Try out cicada with Docker
 
 ```
-$ docker pull mitnk/cicada
 $ docker run --rm -it mitnk/cicada
 (in-cicada) $ cinfo
 ```
@@ -88,7 +87,6 @@ Read APIs here: [https://docs.rs/cicada/](https://docs.rs/cicada/).
 
 ## FAQs
 
-- [Why another shell?](https://github.com/mitnk/cicada/blob/master/docs/faq.md#user-content-why-another-shell)
 - [Compare to bash/zsh/etc?](https://github.com/mitnk/cicada/blob/master/docs/faq.md#user-content-compare-to-other-shells)
 - [Is cicada POSIX-compatible?](https://github.com/mitnk/cicada/blob/master/docs/faq.md#user-content-is-cicada-posix-compatible)
 - [Will my bash/zsh scripts continue work in cicada?](https://github.com/mitnk/cicada/blob/master/docs/faq.md#user-content-will-my-bashzsh-scripts-continue-work-in-cicada)
diff --git a/docs/README.md b/docs/README.md
index 7a7e053..5c5e8fb 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -18,7 +18,6 @@ Cicada is a simple bash-like Unix shell.
 ### Try out Cicada Shell with Docker
 
 ```
-$ docker pull mitnk/cicada
 $ docker run --rm -it mitnk/cicada
 (in-cicada) $ cinfo
 ```
diff --git a/docs/install.md b/docs/install.md
index 8e3a6fb..9a99ba5 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -2,7 +2,45 @@
 
 There are a few ways to install cicada into your system.
 
-## 1) Install via Pre-built Binaries
+## Install on Some Known Linux Distributions
+
+### Alpine Linux
+
+[https://pkgs.alpinelinux.org/package/edge/testing/x86_64/cicada](https://pkgs.alpinelinux.org/package/edge/testing/x86_64/cicada)
+
+```
+$ apk add cicada -X https://dl-cdn.alpinelinux.org/alpine/edge/testing/
+```
+
+### Arch Linux
+
+[cicada shell on AUR](https://aur.archlinux.org/packages/cicada-shell)
+
+> Note: `makepkg` will install [rust](https://www.rust-lang.org/) system and
+> other packages.
+
+```
+$ git clone https://aur.archlinux.org/cicada-shell.git
+$ cd cicada-shell/
+$ makepkg -si
+```
+
+## Generic Install Options
+
+### Option A: cargo
+
+If [rust](https://rustup.rs/) installed on your system, you can
+install cicada with:
+```
+$ cargo install -f cicada
+```
+
+Optionally, you can move the binary downloaded to a common place:
+```
+$ cp ~/.cargo/bin/cicada /usr/local/bin/cicada
+```
+
+### Option B: via Pre-built Binaries
 
 First download the latest right binary for your system from
 [Release Page](https://github.com/mitnk/cicada/releases).
@@ -17,15 +55,30 @@ $ mv cicada-mac-0.9.2 /usr/local/bin/cicada
 $ mv cicada-linux-0.9.2 /usr/local/bin/cicada
 
 $ chmod +x /usr/local/bin/cicada
+```
+
+> Due to too many existing CPU arch and different libc versions on same system,
+> I tend to stop providing pre-built binaries. Please consider to use other
+> options.
+
+### Option C: via Source
 
-# try it
-$ cicada
-(in-cicada) $ cinfo
+Note: [Rust environment](https://rustup.rs/) (Rust stable or above) is required.
+
+```
+$ git clone https://github.com/mitnk/cicada
+$ cd cicada
+# try cicada without installing
+$ make
+$ make install
 ```
 
-### Set cicada as your login shell
+cicada will be installed under `/usr/local/bin`
+
+## Set cicada as your login shell
 
-**WARNING**: Please test cicada on your system before set it as default shell.
+**WARNING**: Please test cicada on your system before setting it as default
+shell.
 
 In file `/etc/shells`, append the following line:
 
@@ -41,33 +94,26 @@ $ chsh -s /usr/local/bin/cicada
 
 Next time you open a terminal window, cicada shell will be the default one.
 
-## 2) Install via cargo crates
+### default shell on GNOME Terminal
 
-If you already have [Rust environment](https://rustup.rs/), you can install
-cicada with `cargo`:
+For GNOME Terminal on Ubuntu or other systems, you may need reboot after
+running `chsh`. If failed, another way to config terminal to use cicada is
+following:
 
-```
-$ cargo install -f cicada
-```
+Preferences --> Profiles (Unnamed) --> Tab Command:
+- [checked] Run command as a login shell
+- [checked] Run a custom command instead of my shell:
+    - Custom command: `cicada -l`
 
-This will install cicada into `~/.cargo/bin/`.
+## inputrc
 
-```
-$ mv ~/.cargo/bin/cicada /usr/local/bin/
-$ cicada
-```
-
-## 3) Install via Source
-
-Note: [Rust environment](https://rustup.rs/) (Rust stable or above) is required.
+For better terminal use experience, I have following in my `~/.inputrc` file:
 
 ```
-$ git clone https://github.com/mitnk/cicada
-$ cd cicada
-# try cicada without installing
-$ make
-# install cicada into /usr/local/bin/cicada
-$ make install
-$ cicada
+"\e[1;3D": backward-word
+"\e[1;3C": forward-word
+"\e[1;9D": backward-word
+"\e[1;9C": forward-word
+"\e[A": history-search-backward
+"\e[B": history-search-forward
 ```
-