diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/120-awk.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/120-awk.md
index 10b818700..e7f5a3ad7 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/120-awk.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/120-awk.md
@@ -1 +1,11 @@
-# Awk
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+# awk
+
+`awk` is a general-purpose scripting language used for manipulating data or text and generating reports in the Linux world. It is mostly used for pattern scanning and processing. It searches one or more files to see if they contain lines that match the specified patterns and then performs the associated actions. 
+
+It has the below syntax: 
+
+`awk options 'selection_criteria {action}' input-file > output-file` e.g. `$ awk '{print}' file.txt`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/awk-command-unixlinux-examples/'>What is AWK? How to use it?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://linuxize.com/post/awk-command/'>How AWK works?</BadgeLink>
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diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/121-sed.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/121-sed.md
index 1a9c250c0..54b7caeab 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/121-sed.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/121-sed.md
@@ -1 +1,12 @@
-# Sed
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+# sed
+
+`sed`(**S**tream **Ed**itor) command in UNIX can perform lots of functions on file like searching, finding and replacing, insertion or deletion. By using SED you can edit files even without opening them in editors like [VI Editor](https://www.redhat.com/sysadmin/introduction-vi-editor).
+
+It has the following syntax:
+
+`$ sed [options].. [script] [input-file]` e.g. `$ sed 's/search-regex/replacement-txt/g' file.txt`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/sed-command-in-linux-unix-with-examples/'>What is SED? with examples</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Manual' href='https://www.gnu.org/software/sed/manual/sed.html'>Detailed Manual</BadgeLink>
+
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/122-grep.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/122-grep.md
index 23eb0693a..8b4b553d5 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/122-grep.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/122-grep.md
@@ -1 +1,11 @@
-# Grep
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+# grep
+
+The `grep` command (**g**lobal search for **r**egular **e**xpression and **p**rint out) searches file(s) for a particular pattern of characters, and displays all lines that contain that pattern. It can be used with other commands like `ps` making it more useful.
+
+It has the following syntax:
+
+`$ grep [options] pattern [files]` e.g. `$ grep "search-regex" file-1.txt`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/grep-command-in-unixlinux/'>What is Grep? with examples</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Manual' href='https://www.gnu.org/software/grep/manual/grep.html'>Detailed Manual</BadgeLink>
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diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/123-sort.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/123-sort.md
index 14752aa76..aeb6e9485 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/123-sort.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/123-sort.md
@@ -1 +1,12 @@
-# Sort
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+# sort
+
+`sort` command is used to sort the contents of a file in a particular order. By default, it sorts a file assuming the contents are in ASCII. But it also can also be used to sort numerically by using appropriate options.
+
+It has the following syntax
+
+`$ sort [options].. input-file` e.g. `$ sort file.txt`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/sort-command-linuxunix-examples/'>Sort command with examples</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Wiki' href='https://en.wikipedia.org/wiki/Sort_(Unix)'>Options</BadgeLink>
+
diff --git a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/126-cat.md b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/126-cat.md
index 3b1eb18e1..d07d40c50 100644
--- a/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/126-cat.md
+++ b/content/roadmaps/102-devops/content/102-managing-servers/101-live-in-terminal/126-cat.md
@@ -1 +1,16 @@
-# Cat
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+# cat
+
+`cat` (concatenate) command is very frequently used in Linux. It reads data from the file and gives its content as output. It helps us to create, view, and concatenate files.
+
+
+It has the following syntax:
+
+* View : `$ cat [option] [input-file]`
+* Create : `$ cat [content] > [new-file]`
+* Append : `$ cat [append_content] >> [existing-file]`
+
+e.g. `$ cat file.txt`
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tecmint.com/13-basic-cat-command-examples-in-linux/'>Cat Command with examples</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Wiki' href='https://en.wikipedia.org/wiki/Cat_(Unix)'>Options</BadgeLink>
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