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+# sort
+
+> Sort lines of text files.
+
+- Sort a file in ascending order:
+
+`sort {{filename}}`
+
+- Sort a file in descending order:
+
+`sort -r {{filename}}`
+
+- Sort the passwd file by the 3rd field, numerically:
+
+`sort -t: -k 3n /etc/passwd`
+
+- Sort human-readable numbers (in this case the 5th field of `ls -lh`):
+
+`ls -lh | sort -h -k 5`