--- /dev/null
+# Borrowed from file(1)
+# gzip (GNU zip, not to be confused with [Info-ZIP/PKWARE] zip archiver)
+0 string \037\213 gzip -d -c 1
+# tar posix
+257 string ustar\0 tar -x 0
+# tar gnu
+257 string ustar\040\040\0 tar -x 0
+# cpio
+0 short 070707 cpio -i 0
+# cpio swapped
+0 short 0143561 cpio -i 0
+# bzip2
+0 string BZh bzip2 -d -c 1
+# dump/restore new-fs big and little endian
+24 belong 60012 restore -rf - 0
+24 lelong 60012 restore -rf - 0
+# dump/restore old-fs big and little endian
+24 belong 60011 restore -rf - 0
+24 lelong 60011 restore -rf - 0