Answer Posted / sricharan

touch:
It can be used to create 0 byte empty file.
syntax: touch filename.txt
we can create multiple file using touch command.
syntax: touch file1.txt file2.txt file3.txt ..... filen.txt
touch commnad is also used to update time stamp
Syntax:touch filename

cat:
It can be use to view the file.
Syntax:cat filename
It can be use to append the existing file.
syntax: cat >> filename
It can be use to concatinate n number of files to one file.
syntax: cat file1 file2 file3 file4 >> newfile
cat is also used to create a file
syntax: cat filename

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