unsquashfs: add page and Polish translation (#10151)

pages/linux/unsquashfs.md

@@ -0,0 +1,28 @@
+# unsquashfs
+
+> Uncompress, extract and list files in squashfs filesystems.
+> More information: <https://manned.org/unsquashfs>.
+
+- Extract a squashfs filesystem to `squashfs-root` in the current working directory:
+
+`unsquashfs {{filesystem.squashfs}}`
+
+- Extract a squashfs filesystem to the specified directory:
+
+`unsquashfs -dest {{path/to/directory}} {{filesystem.squashfs}}`
+
+- Display the names of files as they are extracted:
+
+`unsquashfs -info {{filesystem.squashfs}}`
+
+- Display the names of files and their attributes as they are extracted:
+
+`unsquashfs -linfo {{filesystem.squashfs}}`
+
+- List files inside the squashfs filesystem (without extracting):
+
+`unsquashfs -ls {{filesystem.squashfs}}`
+
+- List files and their attributes inside the squashfs filesystem (without extracting):
+
+`unsquashfs -lls {{filesystem.squashfs}}`