in

unix v7是最后一个广泛发布的研究型UNIX版本

cmake -cp \
ac \
calendar \
cmp \
comm \
crypt \
dcheck \
dd \
diff \
diffh \
du \
dump \
dumpdir \
ed \
fgrep \
grep \
icheck \
init \
iostat \
ls \
mail \
mkfs \
nm \
od \
prof \
ps \
quot \
restor \
size \
strip \
sum \
tail \
tee \
tsort \
units