...
+ cd UU
+ . ./optdef.sh
+ usedevel=define
+ cc=/usr/bin/gcc -maix64
+ prefix=/usr/db/perl/5.24.4.0
+ : Restore computed paths
+ eval awk=$_awk
+ awk=/usr/bin/awk
... (some more variables assigned, some tools used from /opt/freeware/bin)
+ eval uname=$_uname
+ uname=/usr/bin/uname
+ eval zip=$_zip
+ zip=zip
+ cat
+ 0< /tmp/sh19793082.25
+ dflt=AIX
+ rp=Operating system name?
+ . ./myread
+ xxxm=AIX
+ echo Operating system name? [AIX]  
+ wc -c
+ test 31 -ge 80
+ echo Operating system name? [AIX] \c
+ 1>& 4
Operating system name? [AIX] + ans=!
+ ans=
+ echo  
+ 1>& 4
 
+ expr X : X!
+ 1> /dev/null
+ ans=AIX
+ + echo AIX
+ /usr/bin/sed -e s/[   ][      ]*/_/g
+ ./tr [A-Z] [a-z]

##</code><code>##

# w
^Cksh: 0403-031 The fork function failed. There is not enough memory available.

# # after killing the Configure script with Ctrl-C:

# w
  05:25PM   up 29 days,   7:56,  2 users,  load average: 750.00, 165.86, 56.31
User     tty          login@       idle      JCPU      PCPU what
root     pts/0       02:09PM          0         0         0 w
root     pts/1       09:58PM          0      5:09         0 sh

##</code><code>##

# ps -ef
# ...gazillions of processes like these
    root  4194424 11207344   0 17:29:04  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root  4456634 20711350   0 17:29:43  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root  7667866 57804596   0 17:29:28  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root  8323322 40304812   0 17:29:04  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root  8585322 31655592   0 17:29:37  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root  9699528 21430902   0 17:29:07  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root 10289334 58195982   1 17:29:43  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root 10420444 63245100   0 17:29:31  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root 10616884 15731484   0 17:29:36  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root 11141252 37945842   0 17:29:08  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    root 11796592 28639298   0 17:29:07  pts/1  0:00 /bin/sh tr -d [a-zA-Z/]
    ...