diff --git a/pages/linux/sha1sum.md b/pages/linux/sha1sum.md
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+# sha1sum
+
+> Calculate SHA1 cryptographic checksums
+
+- Calculate the SHA1 checksum for file(s) or files in a directory, one checksum per file
+
+`sha1sum {{filename1}}`
+`sha1sum {{filename1}} {{filename2}}`
+`sha1sum {{directory/\*}}`
+
+- Read a file of SHA1 sums and verify all files have matching checksums
+
+`sha1sum -c {{filename.sha1}}`
diff --git a/pages/linux/sha224sum.md b/pages/linux/sha224sum.md
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+# sha224sum
+
+> Calculate SHA224 cryptographic checksums
+
+- Calculate the SHA224 checksum for file(s) or files in a directory, one checksum per file
+
+`sha224sum {{filename1}}`
+`sha224sum {{filename1}} {{filename2}}`
+`sha224sum {{directory/\*}}`
+
+- Read a file of SHA224 sums and verify all files have matching checksums
+
+`sha224sum -c {{filename.sha224}}`
diff --git a/pages/linux/sha256sum.md b/pages/linux/sha256sum.md
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+# sha256sum
+
+> Calculate SHA256 cryptographic checksums
+
+- Calculate the SHA256 checksum for file(s) or files in a directory, one checksum per file
+
+`sha256sum {{filename1}}`
+`sha256sum {{filename1}} {{filename2}}`
+`sha256sum {{directory/\*}}`
+
+- Read a file of SHA256 sums and verify all files have matching checksums
+
+`sha256sum -c {{filename.sha256}}`
diff --git a/pages/linux/sha384sum.md b/pages/linux/sha384sum.md
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+++ b/pages/linux/sha384sum.md
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+# sha384sum
+
+> Calculate SHA384 cryptographic checksums
+
+- Calculate the SHA384 checksum for file(s) or files in a directory, one checksum per file
+
+`sha384sum {{filename1}}`
+`sha384sum {{filename1}} {{filename2}}`
+`sha384sum {{directory/\*}}`
+
+- Read a file of SHA384 sums and verify all files have matching checksums
+
+`sha384sum -c {{filename.sha384}}`
diff --git a/pages/linux/sha512sum.md b/pages/linux/sha512sum.md
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+++ b/pages/linux/sha512sum.md
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+# sha512sum
+
+> Calculate SHA512 cryptographic checksums
+
+- Calculate the SHA512 checksum for file(s) or files in a directory, one checksum per file
+
+`sha512sum {{filename1}}`
+`sha512sum {{filename1}} {{filename2}}`
+`sha512sum {{directory/\*}}`
+
+- Read a file of SHA512 sums and verify all files have matching checksums
+
+`sha512sum -c {{filename.sha512}}`