Bash : Update doc.

.doc/Bash.md

@@ -73,6 +73,15 @@ Command|Description
 ---|---
 `color_test`|Print all available colors with their names colored in corresponding color. 
 
+## Container.
+
+Command|Description
+---|---
+`ca [NAME]`|Attach/create container box in current directory with specified name. Uses `main` name by default. 
+`ck [NAME]`|Remove container box with specified name. By default uses `main` name. 
+`cka`|Remove all container boxes. 
+`cl`|List all container boxes. 
+
 ## Copypaste.
 
 Command|Description
@@ -134,7 +143,7 @@ Command|Description
 
 Command|Description
 ---|---
-`export_java <VERSION>`|Set java version. Sets to latest when not specified. 
+`export_java [VERSION]`|Set java version. Sets to latest when not specified. 
 
 ## Ffmpeg.
 
@@ -257,6 +266,7 @@ Command|Description
 `nix_find <PACKAGE>`|Find Nix package path. 
 `nix_unstable`|Switch to Unstable branch. 
 `nix_unstable_small`|Switch to Small Unstable branch (for server). 
+`nix_channel`|Display current channel. 
 `nix_update`|Update system (rebuild). 
 `nix_upgrade`|Upgrade system. 
 `nix_clean`|Free up root space. 
@@ -370,15 +380,6 @@ Command|Description
 ---|---
 `todo`|Open `~/.todo.md` file. 
 
-## Toolbx.
-
-Command|Description
----|---
-`tba [NAME]`|Attach/create toolbx container with specified name. By default uses `main` name. 
-`tbk [NAME]`|Remove toolbx container with specified name. By default uses `main` name. 
-`tb_rpmfusion [NAME]`|Install rpm-fusion repository into container with specified name. By default uses `main` name. 
-`tbl`|List all available containers. 
-
 ## Transcode.
 
 Command|Description