From 28d7f4332e448269f2031a263b9bf93d883cfc34 Mon Sep 17 00:00:00 2001
From: Lena <126529524+acuteenvy@users.noreply.github.com>
Date: Thu, 7 Sep 2023 07:06:05 +0200
Subject: [PATCH] zstd, unzstd: update page; zstd{cat,mt}: add alias page
 (#10683)

---
 pages/common/unzstd.md  | 15 +++------------
 pages/common/zstd.md    |  4 ++--
 pages/common/zstdcat.md |  7 +++++++
 pages/common/zstdmt.md  |  7 +++++++
 4 files changed, 19 insertions(+), 14 deletions(-)
 create mode 100644 pages/common/zstdcat.md
 create mode 100644 pages/common/zstdmt.md

diff --git a/pages/common/unzstd.md b/pages/common/unzstd.md
index 5770b7f64..cec9fa7dd 100644
--- a/pages/common/unzstd.md
+++ b/pages/common/unzstd.md
@@ -1,16 +1,7 @@
 # unzstd
 
-> Decompress files with Zstandard compression.
-> More information: <https://github.com/facebook/zstd>.
+> This command is an alias of `zstd --decompress`.
 
-- Decompress files:
+- View documentation for the original command:
 
-`unzstd {{path/to/file1.ztd path/to/file2.ztd ...}}`
-
-- Decompress a file into a specific output file:
-
-`unzstd {{path/to/compressed.ztd}} -o {{path/to/extracted_file}}`
-
-- Display information about a compressed file:
-
-`unzip --list {{path/to/file.zst}}`
+`tldr zstd`
diff --git a/pages/common/zstd.md b/pages/common/zstd.md
index 4b8d7838f..4e51ae93d 100644
--- a/pages/common/zstd.md
+++ b/pages/common/zstd.md
@@ -9,11 +9,11 @@
 
 - Decompress a file:
 
-`zstd -d {{path/to/file}}.zst`
+`zstd --decompress {{path/to/file.zst}}`
 
 - Decompress to `stdout`:
 
-`zstd -dc {{path/to/file}}.zst`
+`zstd --decompress --stdout {{path/to/file.zst}}`
 
 - Compress a file specifying the compression level, where 1=fastest, 19=slowest and 3=default:
 
diff --git a/pages/common/zstdcat.md b/pages/common/zstdcat.md
new file mode 100644
index 000000000..3a9d3d584
--- /dev/null
+++ b/pages/common/zstdcat.md
@@ -0,0 +1,7 @@
+# zstdcat
+
+> This command is an alias of `zstd --decompress --stdout`.
+
+- View documentation for the original command:
+
+`tldr zstd`
diff --git a/pages/common/zstdmt.md b/pages/common/zstdmt.md
new file mode 100644
index 000000000..817f33d1e
--- /dev/null
+++ b/pages/common/zstdmt.md
@@ -0,0 +1,7 @@
+# zstdmt
+
+> This command is an alias of `zstd --threads 0` (which sets the number of working threads to the number of physical CPU cores).
+
+- View documentation for the original command:
+
+`tldr zstd`