192.168.0.132

$ mkdir work

$ ls

work

$ vi demo.sh

$ ls

demo.sh work

$ bash demo.sh

hello world

$ sh demo.sh

hello world

$ cat > abc.txt

hello world

how are you

i'm fine

and you ?

$ ls

abc.txt demo.sh work

$ cat abc.txt

hello world

how are you

i'm fine

and you ?

$ cat > demo1.sh

echo hello world;

echo how are you;

echo byyy;

$ ls

abc.txt demo1.sh demo.sh work

$ cat demo1.sh

echo hello world;

echo how are you;

echo byyy;

$ ls

abc.txt demo1.sh demo.sh work

$ bash demo1.sh

hello world

how are you

byyy

$ sh demo1.sh

hello world

how are you

byyy

$ vi demo2.sh

$ ls

abc.txt demo1.sh demo2.sh demo.sh work

$ bash demo2.sh

byyy

$ cat demo2.sh

#vhjfv

echo byyy;

$ cat > demo3.sh

#This is a Comment

echo 123456789

echo 987654321

$ ls

abc.txt demo1.sh demo2.sh demo3.sh demo.sh directory work xyz.txt

$ ls -l | cat > directory

$ cat directory

total 52

-rw-rw-r-- 1 1920BCA022 1920BCA022 36 Apr 25 07:05 abc.txt

-rw-rw-r-- 1 1920BCA022 1920BCA022 0 Apr 25 2011 demo1.sh

-rw-rw-r-- 1 1920BCA022 1920BCA022 18 Apr 25 2011 demo2.sh

-rw-rw-r-- 1 1920BCA022 1920BCA022 0 Apr 25 2011 demo3.sh

-rw-rw-r-- 1 1920BCA022 1920BCA022 24 Apr 25 2011 demo.sh

-rw-rw-r-- 1 1920BCA022 1920BCA022 0 Apr 25 07:23 directory

drwxrwxr-x 2 1920BCA022 1920BCA022 4096 Apr 25 2011 work

-rw-rw-r-- 1 1920BCA022 1920BCA022 17 Apr 25 07:07 xyz.txt

$mkdir Folder1 Folder2

$ ls

abc.txt demo2.sh demo.sh Folder1 work

demo1.sh demo3.sh directory Folder2 xyz.txt

$ cd Folder1

$ ls

$ cat > file1.txt

Hello

This is an Example

$ ls

file1.txt

$ wc -c file1.txt | cat > char_count.txt

$ ls

char_count.txt file1.txt

$ cat char_count.txt

25 file1.txt

$ wc -l file1.txt | cat > line_count.txt

$ wc -w file1.txt | cat > word_count.txt

$ ls

char_count.txt file1.txt line_count.txt word_count.txt

$ cat line_count.txt

2 file1.txt

$ cat word_count.txt

5 file1.txt

$ wc file1.txt | cat > count.txt

$ ls

char_count.txt count.txt file1.txt line_count.txt word_count.txt

$ cat count.txt

 2 5 25 file1.txt

$ cp file1.txt copyiedfile.txt

$ ls

char_count.txt count.txt line_count.txt

copyiedfile.txt file1.txt word_count.txt

$ cat copyiedfile.txt

Hello

This is an Example

$ head -1 file1.txt

Hello

$ head -2 file1.txt

Hello

This is an Example

$ tail -1 file1.txt

This is an Example

$ tail -2 file1.txt

Hello

This is an Example

$ find file1.txt

file1.txt

$ find -type f

./char_count.txt

./copyiedfile.txt

./file1.txt

./line_count.txt

./count.txt

./word_count.txt