diff --git a/backup/README b/backup/README
index bb9e3b8..dbf23ab 100644
--- a/backup/README
+++ b/backup/README
@@ -1,9 +1,9 @@
-# backup.sh #
+# obstinate-rsync.sh #
 
-backup.sh is a simple script that transfers a single directory (your
-home directory, by default) to a remote host, using rsync. You can
-specify exclude patterns in a file (~/.backup-excludes by default).
-The transfer will be reattempted until it succeed.
+obstinate-rsync.sh is a simple script that transfers a single directory
+(your home directory, by default) to a remote host, using rsync. You can
+specify exclude patterns in a file (~/.backup-excludes by default). The
+transfer will be reattempted until it succeed.
 
 Edit the script to configure the protocol, host, directories, etc.
 
diff --git a/backup/backup.sh b/backup/obstinate-rsync.sh
similarity index 100%
rename from backup/backup.sh
rename to backup/obstinate-rsync.sh
diff --git a/compression_utils/README b/compression_utils/README
index d9e238a..5173fe7 100644
--- a/compression_utils/README
+++ b/compression_utils/README
@@ -1,6 +1,7 @@
-# lz and uz #
+# lz.sh (lz and uz) #
 
-The lz script emulates and extends commands lz and uz from the mtools.
+The lz.sh script emulates and extends commands lz and uz from the
+mtools.
 
 It handles: tar, tar.gz, tar.bz2, tar.xz, tar.lzma and tar.Z (and
 associated 3-characters extensions: tgz, tbz, tb2, tlz, txz, taz)
@@ -13,11 +14,11 @@ name is "uz", it is extracted.
 
 To install lz and uz, move put script in a directory in the PATH (for
 instance /usr/local/bin) and hard link it to uz:
-  cp lz /usr/local/bin
+  cp lz.sh /usr/local/bin/lz
   ln /usr/local/bin/{lz,uz}
 
 
-# xzize #
+# xzize.sh #
 
 The xzize script compresses an uncompressed file, or recompresses a
 compressed file to xz (with maximum compression level).
diff --git a/compression_utils/lz b/compression_utils/lz.sh
similarity index 97%
rename from compression_utils/lz
rename to compression_utils/lz.sh
index e1121bd..a4bc763 100755
--- a/compression_utils/lz
+++ b/compression_utils/lz.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# lz, Copyright © 2010 Matteo Cypriani
+# lz.sh, Copyright © 2010 Matteo Cypriani
 #
 # This program is free software. It comes without any warranty, to
 # the extent permitted by applicable law. You can redistribute it
diff --git a/compression_utils/xzize b/compression_utils/xzize.sh
similarity index 98%
rename from compression_utils/xzize
rename to compression_utils/xzize.sh
index a3c3668..aaac930 100755
--- a/compression_utils/xzize
+++ b/compression_utils/xzize.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# xzize, Copyright © 2010 Matteo Cypriani
+# xzize.sh, Copyright © 2010 Matteo Cypriani
 #
 # This program is free software. It comes without any warranty, to
 # the extent permitted by applicable law. You can redistribute it
diff --git a/latexd/README b/latex/README
similarity index 100%
rename from latexd/README
rename to latex/README
diff --git a/latexd/latexd.sh b/latex/latexd.sh
similarity index 100%
rename from latexd/latexd.sh
rename to latex/latexd.sh
diff --git a/wifi/README b/wifi/README
index 782715a..2daa229 100644
--- a/wifi/README
+++ b/wifi/README
@@ -1,5 +1,6 @@
-capture.sh is a script to automatically capture a few packets on a Wi-Fi
-interface and write them to a Pcap file along with some information
-about the system, which are finally compressed into a tarball. The Pcap
-file can then be analysed (for example with Wireshark) to check what the
-interface supports on which operating system, using a given driver, etc.
+capture-sample.sh is a script to automatically capture a few packets on
+a Wi-Fi interface and write them to a Pcap file along with some
+information about the system, which are finally compressed into a
+tarball. The Pcap file can then be analysed (for example with Wireshark)
+to check what the interface supports on which operating system, using a
+given driver, etc.
diff --git a/wifi/capture.sh b/wifi/capture-sample.sh
similarity index 98%
rename from wifi/capture.sh
rename to wifi/capture-sample.sh
index bd0ce44..652bacd 100755
--- a/wifi/capture.sh
+++ b/wifi/capture-sample.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# capture.sh, Copyright © 2011 Matteo Cypriani <mcy@lm7.fr>
+# capture-sample.sh, Copyright © 2011 Matteo Cypriani <mcy@lm7.fr>
 #
 ########################################################################
 # This program is licensed under the terms of the Expat license.