To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

fasiul@fasiul-VirtualBox:~/Desktop$ pwd
/home/fasiul/Desktop
fasiul@fasiul-VirtualBox:~/Desktop$ mkdir LabTask5
fasiul@fasiul-VirtualBox:~/Desktop$ cd LabTask5
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ pwd
/home/fasiul/Desktop/LabTask5
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ w
 08:50:24 up 20 min,  1 user,  load average: 0.29, 0.35, 0.35
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
fasiul   tty2     tty2             08:30   20:25   0.15s  0.12s /usr/libexec/g
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ whoami
fasiul
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ mkdir Folder1
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ mkdir Folder2
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ cd Folder1
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ cat > Sample.txt
Bangladesh
Australia 
Japan
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ cat Sample.txt>>Sample Copy.txt
cat: Copy.txt: No such file or directory
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ cat Sample.txt>>SampleCopy.txt
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ cat >>SampleCopy.txt
Korea
Mexico
Italy
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ more SampleCopy.txt
Bangladesh
Australia
Japan
Korea
Mexico
Italy
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ sort -r SampleCopy.txt
Mexico
Korea
Japan
Italy
Bangladesh
Australia
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ grep -i "Italy" SampleCopy.txt
Italy
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ chmod 734 SampleCopy.txt
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder1$ cd ..
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ pdw
Command 'pdw' not found, did you mean:
  command 'pmw' from deb pmw (1:4.50-1)
  command 'pdl' from deb pdl (1:2.074-1)
  command 'pda' from deb speech-tools (1:2.5.0-12)
  command 'psw' from deb wise (2.4.1-23)
  command 'pwd' from deb coreutils (8.32-4.1ubuntu1)
  command 'pdd' from deb pdd (1.5-1)
  command 'pfw' from deb pftools (3.2.11-2)
  command 'cdw' from deb cdw (0.8.1-2)
  command 'pd' from deb puredata-core (0.52.1+ds0-1)
  command 'pdb' from deb python-dev-is-python3 (3.9.2-2)
Try: sudo apt install <deb name>
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ pwd
/home/fasiul/Desktop/LabTask5
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ ** /home/fasiul/Desktop/LabTask5/Folder1/SampleCopy.txt /home/fasiul/Desktop/LabTask5/Folder2
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ cd Folder2
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder2$ ls
SampleCopy.txt
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder2$ mv Folder2 MidExercise
mv: cannot stat 'Folder2': No such file or directory
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5/Folder2$ cd ..
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ mv Folder2 MidExercise
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$ ls
Folder1  MidExercise
fasiul@fasiul-VirtualBox:~/Desktop/LabTask5$