diff --git a/README.md b/README.md
index 318c009..2585435 100644
--- a/README.md
+++ b/README.md
@@ -3633,11 +3633,11 @@ at tomorrow # Create a task in Vim to execute tomorrow
```bash
sudo su # Switch to root user
sudo foo # Execute commands(has permission denied) as the root user
-sudo /foo/foo.txt # Open directories and files(is not writable) as the root user
+sudo nano /foo/foo.txt # Open directories and files(is not writable) as the root user
su username # Switch to a different user
+passwd # To change the password of a user
adduser username # To add a new user
-passwd -l|--lock username # To change the password of a user
userdel username # To remove user
userdel -r|--remove username # To remove user with home directory and mail spool
usermod -a|--append -G|--groups GROUPNAME USERNAME # To add a user to a group
@@ -4228,6 +4228,36 @@ _Run_:
```bash
cht.sh keyword
```
+
+---
+
+## Easily view, navigate, search and manage your command history
+
+[htsr](https://github.com/dvorka/hstr)
+
+Install:
+```bash
+sudo apt install hstr
+```
+Configure HSTR just by running:
+```bash
+hstr --show-configuration >> ~/.bashrc
+```
+Usage:
+```bash
+hstr keyword
+```
+More options:
+```yml
+ --favorites -f ... show favorites view
+ --kill-last-command -k ... delete last command in history
+ --non-interactive -n ... print filtered history and exit
+ --show-configuration -s ... show configuration to be added to ~/.bashrc
+ --show-blacklist -b ... show commands to skip on history indexation
+ --insert-in-terminal=[c] -i ... insert command c in terminal prompt and exit
+ --version -V ... show version details
+ --help -h ... help
+ ```
---
## Extra Resources