diff --git a/etc/X/Xdefaults b/etc/X/Xdefaults
index d9c4f4a..32b271d 100644
--- a/etc/X/Xdefaults
+++ b/etc/X/Xdefaults
@@ -10,6 +10,7 @@ URxvt.boldFont:xft:droid sans mono slashed:medium:pixelsize=15:weight=bold
 URxvt*scrollBar:false
 URxvt.cursorColor:  #AAAAAA
 URxvt*termName: xterm
+URxvt.saveLines: 1000
 
 !Настрока клавиатуры для URxvt
 URxvt*keysym.Control-Up:   \033[1;5A
@@ -22,6 +23,15 @@ URxvt.keysym.C-Home: \033[7;7^
 URxvt.keysym.C-End:  \033[8;8^
 URxvt.keysym.Home: \033[7~
 
+! do not scroll with output
+URxvt*scrollTtyOutput: false
+
+! scroll in relation to buffer (with mouse scroll or Shift+Page Up)
+URxvt*scrollWithBuffer: true
+
+! scroll back to the bottom on keypress
+URxvt*scrollTtyKeypress: true
+
 !Настрока шрифтов
 Xft.antialias: true
 Xft.dpi: 96
diff --git a/etc/shell/bash/aliases b/etc/shell/bash/aliases
index e267b8c..7945f17 100755
--- a/etc/shell/bash/aliases
+++ b/etc/shell/bash/aliases
@@ -348,6 +348,9 @@ apply() {
 	}
 }
 
+#- Список PDF-файлов
+alias pdfs="find `pwd` -maxdepth 1 -name '*.pdf'" #noindex
+
 #}}} ###########################################################################
 #{{{ \033[00m\n\b------<Администрирование>\n
 ################################################################################
diff --git a/etc/soft/urxvt/extensions.conf b/etc/soft/urxvt/extensions.conf
index 9f26d36..49b74c9 100644
--- a/etc/soft/urxvt/extensions.conf
+++ b/etc/soft/urxvt/extensions.conf
@@ -1,7 +1,7 @@
 !Расширения Perl
 URxvt.perl-lib: /home/maks/.shellrc/etc/soft/urxvt/perl/
 !URxvt.perl-ext-common: tabbedex,readline,searchable-scrollback,matcher,font-size
-URxvt.perl-ext-common: tabbedex,readline,searchable-scrollback,font-size
+URxvt.perl-ext-common: tabbedex,readline,searchable-scrollback,font-size,matcher
 
 !Tabbedex
 URxvt.tabbed.autohide: true
@@ -26,9 +26,13 @@ URxvt.keysym.C-equal:  font-size:reset
 URxvt.keysym.C-slash:  font-size:show
 
 !Matcher
-URxvt.url-launcher: chromium
+URxvt.keysym.C-Delete:    perl:matcher:last
+URxvt.keysym.M-Delete:    perl:matcher:list
+URxvt.url-launcher: xdg-open
 URxvt.matcher.button: 2
 URxvt.colorUL: #09419b
 URxvt.underlineURLs: false
 URxvt.underlineColor: #09419b
+URxvt.matcher.pattern.1: ^\\B(/.+\.pdf)$
+URxvt.matcher.launcher.1: zathura $1