sh-utils is a package of small shell programming utilities. They are mostlycompliant with POSIX.2, where applicable. The programs that can be built with this package are basename, chroot, date, dirname,echo, env, expr, factor, false, groups, hostname, id, logname, nice, nohup, pathchk, printenv, printf, pwd,seq, sleep, stty, su, tee, test, true, tty, uname, users, who, whoami, and yes.