Date: Thu, 9 Nov 2000 15:10:07 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Warner Losh <imp@village.org> Cc: Steve Price <sprice@hiwaay.net>, arch@FreeBSD.ORG Subject: Re: The shared /bin and /sbin bikeshed Message-ID: <Pine.BSF.4.21.0011091453410.7588-100000@besplex.bde.org> In-Reply-To: <200011090219.TAA35291@harmony.village.org>
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On Wed, 8 Nov 2000, Warner Losh wrote: > In message <20001108201129.C62344@bonsai.knology.net> Steve Price writes: > : On Wed, Nov 08, 2000 at 06:55:29PM -0700, Warner Losh wrote: > : # > : # I have a patch that makes /bin and /sbin optionally non-static. For > : # small systems that have / and /usr on the same file system, you can > : # save about 5M-6M of disk space by making /bin and /sbin shared. > : > : This might be a bit off-topic but I wonder how much this would > : help the PicoBSD distribution if it isn't done this way already? > > None. PicoBSD uses cruncgen to compile all its binaries into one > super binary. There are no shared libraries. I once used it (not Warner's version) to put a useful number of gzipped binaries on a 1.2MB floppy: --- total 5 drwxr-xr-x 2 bin bin 512 May 11 1996 bin/ drwxr-xr-x 2 root bin 1536 May 11 1996 dev/ drwxr-xr-x 2 root wheel 512 May 10 1996 etc/ drwxr-xr-x 2 bin bin 512 May 10 1996 lib/ drwxr-xr-x 2 bin bin 512 May 10 1996 sbin/ drwxrwxrwt 2 root wheel 512 May 11 1996 tmp/ drwxr-xr-x 6 bde wheel 512 May 10 1996 usr/ drwxr-xr-x 3 root wheel 512 May 11 1996 var/ ./bin: total 218 -r-xr-xr-x 2 bin bin 4208 Mar 27 1996 [* -r-xr-xr-x 1 bin bin 3288 Mar 27 1996 cat* -r-xr-xr-x 1 bin bin 2672 Feb 12 1996 chmod* -r-xr-xr-x 1 bin bin 5012 Mar 9 1996 cp* -r-xr-xr-x 1 bin bin 4333 Apr 6 1996 date* -r-xr-xr-x 1 bin bin 7194 Mar 27 1996 dd* -r-xr-sr-x 1 bin operator 4278 Feb 12 1996 df* -r-xr-xr-x 1 bin bin 1844 Feb 12 1996 domainname* -r-xr-xr-x 1 bin bin 1848 Feb 12 1996 echo* -r-xr-xr-x 2 bin bin 17744 Mar 27 1996 ed* -r-xr-xr-x 1 bin bin 5110 May 5 1996 expr* -r-xr-xr-x 1 bin bin 2028 Feb 12 1996 hostname* -r-xr-xr-x 1 bin bin 2434 Mar 27 1996 kill* -r-xr-xr-x 1 bin bin 2464 Feb 12 1996 ln* -r-xr-xr-x 1 bin bin 7230 Apr 5 1996 ls* -r-xr-xr-x 2 bin bin 2353 Feb 12 1996 md* -r-xr-xr-x 2 bin bin 2353 Feb 12 1996 mkdir* -r-xr-xr-x 1 bin bin 3663 Mar 2 1996 mv* -r-xr-xr-x 1 bin bin 34971 Feb 12 1996 pax* -r-xr-xr-x 1 bin bin 1881 Feb 12 1996 pwd* -r-sr-xr-x 1 root bin 7805 Mar 27 1996 rcp* -r-xr-xr-x 2 bin bin 1879 Feb 12 1996 rd* -r-xr-xr-x 2 bin bin 17744 Mar 27 1996 red* -r-xr-xr-x 1 bin bin 4820 Mar 8 1996 rm* -r-xr-xr-x 1 bin bin 3998 Mar 27 1996 rmail* -r-xr-xr-x 2 bin bin 1879 Feb 12 1996 rmdir* -r-xr-xr-x 1 bin bin 44971 May 9 1996 sh* -r-xr-xr-x 1 bin bin 1857 Feb 12 1996 sleep* -r-xr-xr-x 1 bin bin 7933 Feb 12 1996 stty* -r-xr-xr-x 1 bin bin 1623 Feb 12 1996 sync* -r-xr-xr-x 2 bin bin 4208 Mar 27 1996 test* ./dev: total 30 -rw-r--r-- 1 root wheel 30379 May 4 1996 MAKEDEV ... ./etc: total 17 -rw-r--r-- 1 root wheel 7117 Jan 16 1996 disktab -rw-r--r-- 1 bin bin 25 May 11 1996 fstab -rw-r--r-- 1 root wheel 785 Mar 23 1996 localtime -rw-r--r-- 1 bde wheel 2301 Dec 7 1995 profile -rw-r--r-- 1 bde bin 5853 Feb 1 1996 termcap ./lib: total 566 lrwxrwxrwx 1 bin bin 11 May 10 1996 libc.so.2.2@ -> libc.so.3.0 -r--r--r-- 1 bin bin 388291 May 9 1996 libc.so.3.0 lrwxrwxrwx 1 bin bin 16 May 10 1996 libcrypt.so.2.0@ -> libscrypt.so.2.0 -r--r--r-- 1 bin bin 70195 Apr 20 1996 libedit.so.2.0 -r--r--r-- 1 bin bin 26376 Feb 5 1995 libgcc.so.261.0 -r--r--r-- 1 bin bin 8352 Apr 20 1996 libipx.so.2.0 -r--r--r-- 1 bin bin 17022 Apr 20 1996 libkvm.so.2.0 -r--r--r-- 1 bin bin 12489 Apr 20 1996 libscrypt.so.2.0 -r--r--r-- 1 bin bin 17059 Apr 20 1996 libscsi.so.2.0 -r--r--r-- 1 bin bin 16736 May 8 1996 libtermcap.so.2.1 -r--r--r-- 1 bin bin 8459 Apr 20 1996 libutil.so.2.1 ./sbin: total 176 -r-xr-xr-x 1 bin bin 9835 May 5 1996 disklabel* -r-xr-xr-x 1 bin bin 6244 Feb 12 1996 fdisk* -r-xr-xr-x 1 bin bin 27879 May 5 1996 fsck* -r-xr-xr-x 1 bin bin 6242 May 9 1996 ifconfig* -r-x------ 1 bin bin 7466 May 9 1996 init* -r-xr-xr-x 1 bin bin 61440 May 9 1996 ld.so* -r-xr-xr-x 1 bin bin 5019 Apr 21 1996 ldconfig* -r-xr-xr-x 1 bin bin 1908 Feb 12 1996 mknod* -r-xr-xr-x 1 bin bin 5994 Mar 15 1996 mount* -r-xr-xr-x 1 bin bin 15515 Feb 12 1996 newfs* -r-sr-xr-x 1 root bin 7482 May 5 1996 ping* -r-xr-xr-x 1 bin bin 2713 Feb 12 1996 reboot* -r-xr-xr-x 1 bin bin 7205 Apr 7 1996 scsi* -r-xr-xr-x 1 bin bin 2117 Feb 12 1996 swapon* -r-xr-xr-x 1 bin bin 4214 Feb 12 1996 umount* ./tmp: ./usr: total 2 drwxr-xr-x 3 bde wheel 512 May 10 1996 bde/ drwxr-xr-x 2 bin bin 512 May 10 1996 bin/ drwxr-xr-x 2 bin bin 512 May 10 1996 mdec/ drwxr-xr-x 2 bin bin 512 May 11 1996 sbin/ ./usr/bde: total 1 drwxr-xr-x 2 bde wheel 512 May 10 1996 bin/ ./usr/bde/bin: total 122 -rwxr-xr-x 1 bde wheel 2238 Jan 10 1995 hd* -rwxr-xr-x 1 bde wheel 21756 Feb 23 1995 less* -rwxr-xr-x 1 bde wheel 13807 Jan 10 1995 rz* -rwxr-xr-x 1 bde wheel 16937 Jan 10 1995 sz* -rwxr-xr-x 1 bde wheel 1946 Jan 10 1995 tach* -rwxr-xr-x 1 bde wheel 2673 Jan 10 1995 term* -rwxr-xr-x 1 bde wheel 51176 Jul 1 1995 vi* -rwxr-xr-x 1 bde wheel 6434 Jan 10 1995 zap* ./usr/bin: total 11 -r-xr-xr-x 1 bin bin 3447 Feb 12 1996 cmp* -r-xr-xr-x 1 bin bin 2772 Feb 12 1996 du* -r-xr-xr-x 1 bin bin 4217 Feb 22 1996 mt* ./usr/mdec: total 8 -r--r--r-- 1 bin bin 512 Mar 1 1996 boot1 -r--r--r-- 1 bin bin 6912 Apr 28 1996 boot2 lrwxrwxrwx 1 bin bin 5 May 10 1996 bootfd@ -> boot2 lrwxrwxrwx 1 bin bin 5 May 10 1996 bootod@ -> boot2 lrwxrwxrwx 1 bin bin 5 May 10 1996 bootsd@ -> boot2 lrwxrwxrwx 1 bin bin 5 May 10 1996 bootvn@ -> boot2 lrwxrwxrwx 1 bin bin 5 May 10 1996 bootwd@ -> boot2 lrwxrwxrwx 1 bin bin 5 May 10 1996 fdboot@ -> boot1 lrwxrwxrwx 1 bin bin 5 May 10 1996 odboot@ -> boot1 lrwxrwxrwx 1 bin bin 5 May 10 1996 sdboot@ -> boot1 lrwxrwxrwx 1 bin bin 5 May 10 1996 vnboot@ -> boot1 lrwxrwxrwx 1 bin bin 5 May 10 1996 wdboot@ -> boot1 ./usr/sbin: total 13 -r-xr-xr-x 1 bin bin 6133 Feb 12 1996 bad144* -r-xr-xr-x 2 bin bin 3119 Feb 12 1996 chgrp* -r-xr-xr-x 2 bin bin 3119 Feb 12 1996 chown* ./var: total 1 drwxrwxrwt 2 root wheel 512 May 11 1996 tmp/ ./var/tmp: --- Linux was less bloated and could fit a much larger set of useful binaries. Everything is more bloated now, and I gave up attempting to fit things on floppies. > I'm not using the PicoBSD model for two reasons. One, we need the > flexibility to update one file on the part in the field. This isn't > easy to do with the compressed image of the file system in place. I avoided crunchgen for the same reason. gzipped binaries weren't very convenient either. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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