Write a Makefile. [done] Add octal escape support to echo. Rework yes(1) to buffer output. This achieves greater throughput per system call. ----------------------------------------------------- PROGS _____________________________________________________ Simple commands (only a handful of parameters at most, with simple premises) -sleep [done] -true [done] -yes [done] -basename/dirname -echo [in-progress, SUS] -wc [in-progress] -tee -cat [done] -pwd -cksum -cal Filesystem modifiers -rm -mv -cp -mkdir -rmdir -mktemp -chgrp -chown -chmod -mkfifo -mknod -touch -ln -link(?) -ls -find -file Filters -sed -nl -tr -expand/unexpand -fold -head/tail -sort -grep -uniq -cut -paste -csplit -iconv Sorting, searching and testing -test -cmp -comm -diff -tsort -du -df -join -split System interfaces -uname -tput -who -ps -kill -renice -nice -newgrp -pathchk -fuser -id -tabs -lp -locale -localedef -at/atd -batch -crond -crontab -logname Binary utilities -ar -tar -pax -od -dd -compress -expand -strings Interactive utilities -ed -bc -sh Miscellaneous -xargs -mesg [maybe] -write [maybe] -printf -expr