cut [-bcfs] [-d delim] list [file...]

df [-shia] [path]

diff [-ru] file1 file2

du [-hdi] [path]

expand [-i] [-t N] [file...]

expr [expression]

id [-gnru] [user]

id [-ruGgn] username

md5sum [-c] [file...]

printf [format] [data...]

printf format [argument...]

readlink [-fem] file

sha1sum [-c] [file...]

test [expression...]

tr string1 [string2]

unexpand [-a] [-t N] [file...]

who