These two scripts should be enough to do what's needed:
; cat /bin/xargs
#!/bin/rc
# xargs cmd [arg ...] - emulate Unix xargs
# only needed for arg lists longer than TSTKSIZ*BY2PG
# (100*4096 = 400K on typical PC kernels).
rfork ne
ramfs
split -n 500 -f /tmp/x
for (f in /tmp/x*)
$* `{cat $f}; cat /bin/files #!/bin/rc # files [dir...] - enumerate files below dir(s) du -a $* | sed 's/^[^ ]+[ ]+//' | sort -u Can we stop now?
