@ -20,7 +20,7 @@
# - sed (POSIX) -n, s/<search>/<replace>/g, /<delete>/d
# - grep (POSIX) -l, -F, -x, -f, -q, -v
# - sort (POSIX) -r, -u, -k
# - tee (POSIX)
# - tee (POSIX) -a
# - date (POSIX)
# - mkdir (POSIX) -p
# - rm (POSIX) -f, -r