+: **lsbig** (//ls -flh *(.OL[1,10])//)
+Displays the ten biggest files (long and human readable output format).
+
+: **lsd** (//ls -d *(/)//)
+Shows directories.
+
+: **lse** (//ls -d *(/^F)//)
+Shows empty directories.
+
+: **lsnew** (//ls -rl *(D.om[1,10])//)
+Displays the ten newest files (long output format).
+
+: **lsold** (//ls -rtlh *(D.om[1,10])//)
+Displays the ten oldest files (long output format).
+
+: **lssmall** (//ls -Srl *(.oL[1,10])//)
+Displays the ten smallest files (long output format).
+
+: **lsw** (//ls -ld *(R,W,X.^ND/)//)
+Displays all files which are world readable and/or world writable and/or
+world executable (long output format).
+