[Info-vax] Hard links on VMS ODS5 disks

[gah4]

On Friday, July 14, 2023 at 5:55:14 AM UTC-7, Arne Vajhøj wrote:
> On 7/13/2023 9:25 AM, bill wrote: 

(snip)
> >> A MacBook Air with OS 10.12.6 has two different files, not linked, 
> >> but with exactly the same contents. 
 
> >> ls -li compress uncompress 
> >> 421074 -rwxr-xr-x  1 root  wheel  27680 Jul 14  2017 compress 
> >> 421907 -rwxr-xr-x  1 root  wheel  27680 Jul 14  2017 uncompress 
> >> and cmp -l shows that they are the same. 

(snip)

> We can discuss the optimal choice between: 
> * paying more dollars to get bigger disk 
> * the complexity of programs with multiple behavior depending on name 

But it is still multiple behaviors depending on the name,
and still wasting (not very much) disk space.

And then there is busybox, which puts all of the usual Unix-like program
in one file:

[, [[, acpid, addgroup, adduser, adjtimex, ar, arp, arping, ash,
        awk, basename, beep, blkid, brctl, bunzip2, bzcat, bzip2, cal, cat,
        catv, chat, chattr, chgrp, chmod, chown, chpasswd, chpst, chroot,
        chrt, chvt, cksum, clear, cmp, comm, cp, cpio, crond, crontab,
        cryptpw, cut, date, dc, dd, deallocvt, delgroup, deluser, depmod,
        devmem, df, dhcprelay, diff, dirname, dmesg, dnsd, dnsdomainname,
        dos2unix, dpkg, du, dumpkmap, dumpleases, echo, ed, egrep, eject,
        env, envdir, envuidgid, expand, expr, fakeidentd, false, fbset,
        fbsplash, fdflush, fdformat, fdisk, fgrep, find, findfs, flash_lock,
        flash_unlock, fold, free, freeramdisk, fsck, fsck.minix, fsync,
        ftpd, ftpget, ftpput, fuser, getopt, getty, grep, gunzip, gzip, hd,
        hdparm, head, hexdump, hostid, hostname, httpd, hush, hwclock, id,
        ifconfig, ifdown, ifenslave, ifplugd, ifup, inetd, init, inotifyd,
        insmod, install, ionice, ip, ipaddr, ipcalc, ipcrm, ipcs, iplink,
        iproute, iprule, iptunnel, kbd_mode, kill, killall, killall5, klogd,
        last, length, less, linux32, linux64, linuxrc, ln, loadfont,
        loadkmap, logger, login, logname, logread, losetup, lpd, lpq, lpr,
        ls, lsattr, lsmod, lzmacat, lzop, lzopcat, makemime, man, md5sum,
        mdev, mesg, microcom, mkdir, mkdosfs, mkfifo, mkfs.minix, mkfs.vfat,
        mknod, mkpasswd, mkswap, mktemp, modprobe, more, mount, mountpoint,
        mt, mv, nameif, nc, netstat, nice, nmeter, nohup, nslookup, od,
        openvt, passwd, patch, pgrep, pidof, ping, ping6, pipe_progress,
        pivot_root, pkill, popmaildir, printenv, printf, ps, pscan, pwd,
        raidautorun, rdate, rdev, readlink, readprofile, realpath,
        reformime, renice, reset, resize, rm, rmdir, rmmod, route, rpm,
        rpm2cpio, rtcwake, run-parts, runlevel, runsv, runsvdir, rx, script,
        scriptreplay, sed, sendmail, seq, setarch, setconsole, setfont,
        setkeycodes, setlogcons, setsid, setuidgid, sh, sha1sum, sha256sum,
        sha512sum, showkey, slattach, sleep, softlimit, sort, split,
        start-stop-daemon, stat, strings, stty, su, sulogin, sum, sv,
        svlogd, swapoff, swapon, switch_root, sync, sysctl, syslogd, tac,
        tail, tar, taskset, tcpsvd, tee, telnet, telnetd, test, tftp, tftpd,
        time, timeout, top, touch, tr, traceroute, true, tty, ttysize,
        udhcpc, udhcpd, udpsvd, umount, uname, uncompress, unexpand, uniq,
        unix2dos, unlzma, unlzop, unzip, uptime, usleep, uudecode, uuencode,
        vconfig, vi, vlock, volname, watch, watchdog, wc, wget, which, who,
        whoami, xargs, yes, zcat, zcip