Q$1$ Write the MS DOS command as per given below diagram.

$(3$ marks$)$

Figure : $1$

Write a command to rename ch$2.$ppt to new$\_$ch$2.$txt

$[0\mathrm{.}5]$

Write a command to write "Assignment $10$ marks" into ch$1.$txt file.

$0\mathrm{.}5$

Write a command to copy lab.pdf to unix directory.

$0\mathrm{.}5$