diff --git a/ex01/hello_world.sh b/ex01/hello_world.sh
new file mode 100755
index 0000000..52015c4
--- /dev/null
+++ b/ex01/hello_world.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+if [ -z $1 ];
+then
+    echo "Hello, World!"
+else
+  echo "Hello, $1!"
+fi
+
diff --git a/ex02/README.md b/ex02/README.md
index 43cebf7..ff2d38b 100644
--- a/ex02/README.md
+++ b/ex02/README.md
@@ -11,4 +11,4 @@ Write a script that
 
 	..*script operates ONLY FULL WORDS(e.g. FIND, FOLDER, etc)
 
-	..*search is maked in original case only (FILE != file )
+	..*search is made in original case only (FILE != file )
diff --git a/ex02/ex02.sh b/ex02/ex02.sh
new file mode 100755
index 0000000..2bccbe0
--- /dev/null
+++ b/ex02/ex02.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+for files in "$@"
+do
+     output=$(ls -R | grep $files)
+     if [[ $? -eq 0 ]]
+      then
+        echo $output | tr ' ' '\n'
+      else
+        echo the searched PATH is unexisting
+     fi
+done
diff --git a/ex03/ex03.sh b/ex03/ex03.sh
new file mode 100755
index 0000000..8ad1525
--- /dev/null
+++ b/ex03/ex03.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+
+if [[ -r $1 ]]
+then
+    arguments=($2 $3 $4)
+    for arg in ${arguments[*]}
+    do
+      echo $arg $(grep -c $arg $1 )
+      grep -n $arg $1 | cut -f1 -d":"
+
+    done
+    exit 0
+  else
+    exit 1
+fi
+
+
+
+
+
+
diff --git a/ex04/ex04.sh b/ex04/ex04.sh
new file mode 100755
index 0000000..c76caf4
--- /dev/null
+++ b/ex04/ex04.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+  path=$2
+  pattern=$1
+  if [[ -z $pattern || -z $path ]]
+  then
+    exit 1
+  else
+    files=$(find $2)
+    basename $files 
+    grep -n $pattern $files | cut -f1 -d":"
+    exit 0
+  fi
diff --git a/ex04/test_ex04.sh b/ex04/test_ex04.sh
index 18e04d5..f843250 100644
--- a/ex04/test_ex04.sh
+++ b/ex04/test_ex04.sh
@@ -11,14 +11,14 @@
 }
 
 @test "No args" {
-  run bash resources/ex04.sh
+  run bash ex04.sh
 
   [ "$status" -eq 1 ]
   [ "$output" = '' ]
 }
 
 @test "Without first arg" {
-  run bash grep_all.sh  resources/text_2.txt
+  run bash ex04.sh  resources/text_2.txt
 
   [ "$status" -eq 1 ]
   [ "$output" = '' ]
diff --git a/ex05/ex05.sh b/ex05/ex05.sh
new file mode 100755
index 0000000..54aa1f3
--- /dev/null
+++ b/ex05/ex05.sh
@@ -0,0 +1,52 @@
+#!/bin/bash 
+
+
+if [[ -z $2 ]]; then	
+	echo "0"
+    	exit 0
+fi
+
+if ! [[ $2 =~ [[:digit:]] ]]; then 
+	echo "Error.."
+	exit 1
+fi
+
+
+function sum(){
+  evenresult=0
+  oddresult=0
+ for nums in $@
+ do
+    if [[ $(($nums%2)) -eq 0 ]]
+    then
+        evenresult=$(($evenresult+$nums))
+      else
+        oddresult=$(($oddresult+$nums))
+    fi
+ done
+ result=$(($evenresult+$oddresult))
+}
+
+
+
+case $1 in
+  -e)
+    sum ${@:2} && echo $evenresult
+    exit 0
+    ;;
+  -o)
+    sum ${@:2} && echo $oddresult
+    exit 0
+    ;;
+  -s)
+     sum ${@:2} && echo $result
+     exit 0	
+    ;;
+  -m)
+    sum ${@:2} && echo $(( $result / $(($#-1)) ))
+   exit 0  
+esac
+  echo "Error.."
+  exit 1 
+
+
diff --git a/ex06/ex06.sh b/ex06/ex06.sh
new file mode 100755
index 0000000..a41a4f2
--- /dev/null
+++ b/ex06/ex06.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+function map(){
+
+for args in ${@:2}
+  do
+    eval $1 $args
+done
+ 
+
+}
+
+map ${@}
diff --git a/ex07/ex07.sh b/ex07/ex07.sh
new file mode 100755
index 0000000..092f995
--- /dev/null
+++ b/ex07/ex07.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+
+if [[ -z $1 || $1 -eq '0' ]]
+then
+  exit 1
+else
+  head -$1 resourses/surnames.txt | grep -v 'Q-Chem' | sed 's/-//;s/.$//'
+  exit 0 
+fi
diff --git a/ex07/test_ex07.sh b/ex07/test_ex07.sh
index 2980d2a..9f838b8 100755
--- a/ex07/test_ex07.sh
+++ b/ex07/test_ex07.sh
@@ -21,13 +21,13 @@
 }
 
 @test "Test on 0 lines returns error" {
-  run ex07.sh 0
+  run bash ex07.sh 0
 
   [ "$status" -eq 1 ]
 }
 
 @test "Test on 2 lines return empty string" {
-  run ex07.sh 2
+  run bash ex07.sh 2
 
   [ "$status" -eq 0 ]
   [ "$output" = $'' ]
diff --git a/ex08/ex08.sh b/ex08/ex08.sh
new file mode 100755
index 0000000..ee22d77
--- /dev/null
+++ b/ex08/ex08.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+nums=( zeroes, ones, twoes, threes, fours, fives, sixs, sevens, eights, nines)                
+
+
+if [[ $# -gt 1 || $# -lt 1 ]]
+then
+	echo "Too many(few) arguments"
+  exit 1
+fi
+
+
+
+for i in {0..9}
+do
+	if ! [[ -f $1 ]];
+	then
+		echo "Error.."
+		exit 1
+	fi
+  arr[$i]=$(grep -o $i $1 | wc -l)
+  result+=' '${arr[$i]}' '${nums[$i]}
+done
+echo $result 
diff --git a/ex08/test_ex08.sh b/ex08/test_ex08.sh
index 3ab85ed..b8a97f8 100755
--- a/ex08/test_ex08.sh
+++ b/ex08/test_ex08.sh
@@ -5,7 +5,7 @@
 
  [ "$status" -eq 0 ]
  [ "$output" = "10 zeroes, 13 ones, 4 twoes, 7 threes, 3 fours, 3 fives, 0 sixs, 0 sevens, 0 eights, 1 nines" ]
-
+}
 
 @test "Too many arguments" {
  run bash ex08.sh resources/digitfile.txt digit.txt
diff --git a/ex10/ex10.sh b/ex10/ex10.sh
new file mode 100755
index 0000000..69b5e85
--- /dev/null
+++ b/ex10/ex10.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+
+
+if [[ -d $1 ]]
+then
+	echo ""
+	exit 1
+fi
+
+if [[ -r $1 ]]
+then
+	echo $(awk 'END{print NR}' $1) $1
+	if [[ -r $2 ]]
+	then
+		echo $(awk 'END{print NR}' $2) $2
+	fi
+	exit 0
+fi
+	exit 1