# # This document is dedicated to the public domain. For more details # please see: http://creativecommons.org/licenses/publicdomain # Kai Puolamaki , 2 January 2004 # URL: http://www.iki.fi/kaip/misc/linux-sco.txt # # # Below is a log of downloads of Linux kernel version 2.4.13 from # ftp.sco.com on various dates, beginning on 13 August 2003. All # downloads have taken place from Finland. # # I succesfully downloaded the Linux kernel 2.4.13 source code, # distributed under the GNU General Public License, from ftp.sco.com # on 7 December 2003. At some point between 7 December 2003 and 2 # January 2004 the kernel source code was subsequently removed from # ftp.sco.com. It seems likely that the removal took place on 18 # December 2003 (the directory that contained the 2.4.13 kernel on # ftp.sco.com was modified on 18 December). On 19 December 2003 SCO # sent letters claiming that certain header files contained in the # 2.4.13 kernel (that they themselves distributed under GPL days # earlier) include their copyrighted code incorporated into Linux # without their authorization and must be removed. # # See the bottom of this file for technical details. # # For more information on SCO please visit: http://www.groklaw.net/ # # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 13 August 2003: kaip@itl-pc74 /tmp % date Wed Aug 13 15:25:15 EEST 2003 kaip@itl-pc74 /tmp % mkdir /tmp/ftp.sco.com /tmp/ftp.kernel.org kaip@itl-pc74 /tmp % cd /tmp/ftp.sco.com kaip@itl-pc74 ftp.sco.com % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --15:25:27-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.140.126]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 75.01K/s ETA 00:00 15:31:17 (75.01 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@itl-pc74 ftp.sco.com % rpm2cpio linux-2.4.13-21S.src.rpm | cpio -i 54674 blocks kaip@itl-pc74 ftp.sco.com % cd /tmp/ftp.kernel.org kaip@itl-pc74 ftp.kernel.org % wget ftp://ftp.kernel.org/pub/linux/kernel/v2.4/linux-2.4.13.tar.bz2 --15:31:45-- ftp://ftp.kernel.org/pub/linux/kernel/v2.4/linux-2.4.13.tar.bz2 => `linux-2.4.13.tar.bz2' Resolving ftp.kernel.org... done. Connecting to ftp.kernel.org[204.152.189.116]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/linux/kernel/v2.4 ... done. ==> PORT ... done. ==> RETR linux-2.4.13.tar.bz2 ... done. Length: 23,111,925 (unauthoritative) 100%[====================================>] 23,111,925 85.86K/s ETA 00:00 15:36:10 (85.86 KB/s) - `linux-2.4.13.tar.bz2' saved [23111925] kaip@itl-pc74 ftp.kernel.org % sha1 /tmp/ftp.sco.com/linux-2.4.13.tar.bz2 /tmp/ftp.kernel.org/linux-2.4.13.tar.bz2 SHA1 (/tmp/ftp.sco.com/linux-2.4.13.tar.bz2) = 2bd56447f63f7fd0265248f1521472f744d518da SHA1 (/tmp/ftp.kernel.org/linux-2.4.13.tar.bz2) = 2bd56447f63f7fd0265248f1521472f744d518da kaip@itl-pc74 ftp.kernel.org % date Wed Aug 13 15:36:48 EEST 2003 kaip@itl-pc74 ftp.kernel.org % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 25 August 2003: kaip@winnie ~ % mkdir /tmp/2003-08-25 kaip@winnie ~ % cd /tmp/2003-08-25 kaip@winnie 2003-08-25 % date Mon Aug 25 22:41:23 EEST 2003 kaip@winnie 2003-08-25 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --22:41:24-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.140.126]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 58.15K/s ETA 00:00 22:48:56 (58.15 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@winnie 2003-08-25 % date Mon Aug 25 22:48:58 EEST 2003 kaip@winnie 2003-08-25 % rpm2cpio linux-2.4.13-21S.src.rpm | cpio -i 54674 blocks kaip@winnie 2003-08-25 % sha1 linux-2.4.13.tar.bz2 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13.tar.bz2) = 2bd56447f63f7fd0265248f1521472f744d518da SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@winnie 2003-08-25 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 30 September 2003: kaip@itl-pc74 ~ % mkdir /tmp/2003-09-30 kaip@itl-pc74 ~ % cd /tmp/2003-09-30 kaip@itl-pc74 2003-09-30 % date Tue Sep 30 14:57:11 EEST 2003 kaip@itl-pc74 2003-09-30 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --14:57:22-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 74.55K/s ETA 00:00 15:03:14 (74.55 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@itl-pc74 2003-09-30 % date Tue Sep 30 15:03:27 EEST 2003 kaip@itl-pc74 2003-09-30 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@itl-pc74 2003-09-30 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 28 October 2003: kaip@itl-pc74 ~ % mkdir /tmp/2003-10-28 kaip@itl-pc74 ~ % cd /tmp/2003-10-28 kaip@itl-pc74 2003-10-28 % date Tue Oct 28 12:39:30 EET 2003 kaip@itl-pc74 2003-10-28 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --12:39:32-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 75.01K/s ETA 00:00 12:45:22 (75.01 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@itl-pc74 2003-10-28 % date Tue Oct 28 12:45:30 EET 2003 kaip@itl-pc74 2003-10-28 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@itl-pc74 2003-10-28 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 30 October 2003: kaip@winnie ~ % mkdir /tmp/2003-10-30 kaip@winnie ~ % cd /tmp/2003-10-30 kaip@winnie 2003-10-30 % date Thu Oct 30 21:00:00 EET 2003 kaip@winnie 2003-10-30 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --21:00:02-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as ftp ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 64.53K/s ETA 00:00 21:06:50 (64.53 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@winnie 2003-10-30 % date Thu Oct 30 21:06:52 EET 2003 kaip@winnie 2003-10-30 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@winnie 2003-10-30 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 3 November 2003: kaip@itl-pc74 ~ % mkdir /tmp/2003-11-03 kaip@itl-pc74 ~ % cd /tmp/2003-11-03 kaip@itl-pc74 2003-11-03 % date Mon Nov 3 12:10:24 EET 2003 kaip@itl-pc74 2003-11-03 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --12:10:25-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 75.01K/s ETA 00:00 12:16:15 (75.01 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@itl-pc74 2003-11-03 % date Mon Nov 3 12:16:16 EET 2003 kaip@itl-pc74 2003-11-03 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@itl-pc74 2003-11-03 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 5 November 2003: kaip@itl-pc74 ~ % mkdir /tmp/2003-11-05 kaip@itl-pc74 ~ % cd /tmp/2003-11-05 kaip@itl-pc74 2003-11-05 % date Wed Nov 5 09:44:17 EET 2003 kaip@itl-pc74 2003-11-05 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --09:44:18-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 75.01K/s ETA 00:00 09:50:08 (75.01 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@itl-pc74 2003-11-05 % date Wed Nov 5 09:50:10 EET 2003 kaip@itl-pc74 2003-11-05 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@itl-pc74 2003-11-05 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 11 November 2003: kaip@itl-pc74 ~ % mkdir /tmp/2003-11-11 kaip@itl-pc74 ~ % cd /tmp/2003-11-11 kaip@itl-pc74 2003-11-11 % date Tue Nov 11 17:09:23 EET 2003 kaip@itl-pc74 2003-11-11 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --17:09:24-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 75.01K/s ETA 00:00 17:15:14 (75.01 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@itl-pc74 2003-11-11 % date Tue Nov 11 17:15:15 EET 2003 kaip@itl-pc74 2003-11-11 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@itl-pc74 2003-11-11 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 12 November 2003: # kaip@itl-pc74 ~ % mkdir /tmp/2003-11-12 kaip@itl-pc74 ~ % cd /tmp/2003-11-12 kaip@itl-pc74 2003-11-12 % date Wed Nov 12 13:31:42 EET 2003 kaip@itl-pc74 2003-11-12 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --13:31:44-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 75.01K/s ETA 00:00 13:37:34 (75.01 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@itl-pc74 2003-11-12 % date Wed Nov 12 13:50:29 EET 2003 kaip@itl-pc74 2003-11-12 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@itl-pc74 2003-11-12 % # Fetching Linux kernel version 2.4.13 from ftp.sco.com on 7 December 2003: # kaip@winnie ~ % mkdir /tmp/2003-12-07 kaip@winnie ~ % cd /tmp/2003-12-07 kaip@winnie 2003-12-07 % date Sun Dec 7 00:36:59 EET 2003 kaip@winnie 2003-12-07 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --00:37:00-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as ftp ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... done. Length: 26,701,141 (unauthoritative) 100%[====================================>] 26,701,141 74.33K/s ETA 00:00 00:42:55 (74.33 KB/s) - `linux-2.4.13-21S.src.rpm' saved [26701141] kaip@winnie 2003-12-07 % date Sun Dec 7 00:42:56 EET 2003 kaip@winnie 2003-12-07 % sha1 linux-2.4.13-21S.src.rpm SHA1 (linux-2.4.13-21S.src.rpm) = 37e963ce3523a0e8a1ede80abbeb83425c100cc3 kaip@winnie 2003-12-07 % ########################################################################### # # The fetch failed on 2 January 2004. The date of change in directory # ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS # is 18 December 2003 at 19:04 o'clock. # # What happened in or around 18 December? SCO sent letters dated 19 # December 2003 warning the recipients of alleged copyright # violations, see: # http://www.groklaw.net/article.php?story=20031222161942627 # # In those letters the SCO claimed that some Linux header files include # "copyrighted binary interface code", referring to Linux version 2.4.21. # The files related to the i386 architecture include: # include/asm-i386/errno.h # include/asm-i386/ioctl.h # include/asm-i386/signal.h # include/linux/a.out.h # include/linux/acct.h # include/linux/ctype.h # include/linux/ipc.h # include/linux/stat.h # lib/ctype.c # # It turns out that all of the above mentioned files except # include/asm-i386/errno.h are exactly identical in kernel versions # 2.4.13 and 2.4.21. There is a trivial change in line 10 of # include/asm-i386/errno.h between 2.4.13 and 2.4.21: # /* Arg list too long */ -> /* Argument list too long */ # # Summary: # I succesfully downloaded the Linux kernel 2.4.13 source code, # distributed under the GNU General Public License, from ftp.sco.com # on 7 December 2003. At some point between 7 December 2003 and 2 # January 2004 the kernel source code was subsequently removed from # ftp.sco.com. It seems likely that the removal took place on 18 # December 2003. On 19 December 2003 SCO sent letters claiming that # certain header files contained in the 2.4.13 kernel (that they themselves # distributed under GPL) include their copyrighted code incorporated # into Linux without their authorization and must be removed. # kaip@winnie ~ % mkdir /tmp/2004-01-02 kaip@winnie ~ % cd /tmp/2004-01-02 kaip@winnie 2004-01-02 % date Fri Jan 2 23:09:42 EET 2004 kaip@winnie 2004-01-02 % wget ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm --23:09:43-- ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS/linux-2.4.13-21S.src.rpm => `linux-2.4.13-21S.src.rpm' Resolving ftp.sco.com... done. Connecting to ftp.sco.com[216.250.128.13]:21... connected. Logging in as ftp ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD /pub/updates/OpenLinux/3.1.1/Server/current/SRPMS ... done. ==> PORT ... done. ==> RETR linux-2.4.13-21S.src.rpm ... No such file `linux-2.4.13-21S.src.rpm'. kaip@winnie 2004-01-02 % kaip@winnie ~ % date Fri Jan 2 23:26:14 EET 2004 kaip@winnie ~ % ftp ftp.sco.com Connected to ftp.sco.com. 220 ftp.caldera.com Ready. 331 Anonymous login ok, send your complete email address as your password. 230- Welcome to SCO's FTP site! This site hosts UNIX software patches, device drivers and supplements from SCO. To access Skunkware and Supplemental Open Source Packages, please connect to ftp2.caldera.com. 230 Anonymous access granted, restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. ftp> cd pub/updates/OpenLinux/3.1.1/Server/current 250 CWD command successful. ftp> dir 500 EPSV not understood 227 Entering Passive Mode (216,250,128,13,149,74). 150 Opening ASCII mode data connection for file list drwxrwxr-x 2 ftp ftp 12288 Dec 18 19:04 RPMS drwxrwxr-x 2 ftp ftp 3072 Dec 18 19:04 SRPMS lrwxrwxrwx 1 ftp ftp 25 Aug 11 14:35 floppy -> ../CSU-2002-003.0/floppy/ -rw-r--r-- 1 ftp ftp 75244 Dec 12 22:47 mirrors1.xml -rw-r--r-- 1 ftp ftp 73409 Dec 4 01:08 updates.xml -rw-rw-r-- 1 ftp ftp 65 Dec 4 01:08 updates.xml.sig 226 Transfer complete. ftp> quit 221 Goodbye. kaip@winnie ~ % date Fri Jan 2 23:26:26 EET 2004 kaip@winnie ~ % # /tmp/linux-2.4.13 and /tmp/linux-2.4.21 contain the Linux 2.4.13 and # 2.4.21 source code, respectively: kaip@winnie /tmp % sh $ for f in include/asm-i386/errno.h include/asm-i386/ioctl.h \ include/asm-i386/signal.h include/linux/a.out.h \ include/linux/acct.h include/linux/ctype.h \ include/linux/ipc.h include/linux/stat.h lib/ctype.c ; do \ echo "Comparing $f:" ; \ diff -s linux-2.4.13/$f linux-2.4.21/$f ; \ done Comparing include/asm-i386/errno.h: 10c10 < #define E2BIG 7 /* Arg list too long */ --- > #define E2BIG 7 /* Argument list too long */ Comparing include/asm-i386/ioctl.h: Files linux-2.4.13/include/asm-i386/ioctl.h and linux-2.4.21/include/asm-i386/ioctl.h are identical Comparing include/asm-i386/signal.h: Files linux-2.4.13/include/asm-i386/signal.h and linux-2.4.21/include/asm-i386/signal.h are identical Comparing include/linux/a.out.h: Files linux-2.4.13/include/linux/a.out.h and linux-2.4.21/include/linux/a.out.h are identical Comparing include/linux/acct.h: Files linux-2.4.13/include/linux/acct.h and linux-2.4.21/include/linux/acct.h are identical Comparing include/linux/ctype.h: Files linux-2.4.13/include/linux/ctype.h and linux-2.4.21/include/linux/ctype.h are identical Comparing include/linux/ipc.h: Files linux-2.4.13/include/linux/ipc.h and linux-2.4.21/include/linux/ipc.h are identical Comparing include/linux/stat.h: Files linux-2.4.13/include/linux/stat.h and linux-2.4.21/include/linux/stat.h are identical Comparing lib/ctype.c: Files linux-2.4.13/lib/ctype.c and linux-2.4.21/lib/ctype.c are identical $