Merge pull request #1052 from tldr-pages/cpio

cpio: update descriptions

pages/common/cpio.md

@@ -0,0 +1,16 @@
+# cpio
+
+> Copies files in and out of archives.
+> Supports the following archive formats: custom binary, old ASCII, new ASCII, crc, HPUX binary, HPUX old ASCII, old tar, and POSIX.1 tar.
+
+- Take a list of file names from standard input and add them [o]nto an archive in binary format:
+
+`echo "{{file1}} {{file2}} {{file3}}" | cpio -o > {{archive.cpio}}`
+
+- Copy all files and folders in a directory and add them [o]nto an archive, in [v]erbose mode:
+
+`find {{path/to/directory}} | cpio -ov > {{archive.cpio}}`
+
+- P[i]ck all files from an archive, generating [d]irectories where needed, in [v]erbose mode:
+
+`cpio -idv < {{archive.cpio}}`