diff --git a/README.md b/README.md
index a033129..0422c2e 100644
--- a/README.md
+++ b/README.md
@@ -511,6 +511,17 @@ The tasks are stored in a cron file.
What is the difference between Linux and Unix?
+
+Are you familiar with the following process monitoring tools and commands?:
+
+ * top
+ * ps
+ * htop
+ * atop
+ * lsof
+Can you explain when are you using each one?
+
+
What is a Linux kernel module and how do you load a new module?
@@ -597,19 +608,35 @@ To view all available signals run `kill -l`
-In what state a process in Linux can be?
+What are daemons?
+
+
+
+What are the possible states of a process in Linux?
-Ready
Running
-Blocked
+Waiting
+Stopped
Terminated
Zombie
-Find all files which end with '.yml' and replace the number 1 in 2 in each file
+What is the init process?
+
-find /some_dir -iname \*.yml -exec sed -i "s/1/2/g" {} \;
+
+How to change the priority of a process? Why would you want to do that?
+
+
+
+What are system calls? What system calls are you familiar with?
+
+
+
+Find all the files which end with '.yml' and replace the number 1 in 2 in each file
+
+ind /some_dir -iname \*.yml -print0 | xargs -0 -r sed -i "s/1/2/g"
@@ -645,7 +672,7 @@ related to the file like its size, owner, permissions, etc.
-How to list ports which being currently used?
+How to list active connections?
@@ -670,9 +697,11 @@ While an A record points a domain name to an IP address, a PTR record does the o
#### :star: Advanced
-How to delete the last word from each line in a file?
+What happens in the OS when you execute ls?
+
-sed "s/\s*\w\+\s*$//" file
+
+How processes are being created?
@@ -701,6 +730,18 @@ There are a couple of ways to do that:
* fallocate -l 2097152 new_file.txt
+
+What are the differences between the following system calls?: exec(), fork(), vfork() and clone()?
+
+
+
+Explain Process Descriptor and Task Structure
+
+
+
+Explain Kernel Threads
+
+
## Ansible
@@ -1373,6 +1414,10 @@ Depends on the language and settings used but in Bash for example, by default th
Explain continue and break. When do you use them if at all?
+
+How to store the output of a command in a variable?
+
+
How do you check variable length?