Linux File Command-cat command explanation

Overview: View file contents, connect files, redirect output to a file

1. View entire file 2, cat > filename Create file 3, merge output to file

1. View files (single or multiple)

Cat Demo.txt

2. Create a file file (EOF is a starting and ending character can be random)

Cat >abc.txt <<EOF> good luck> good dog> good> EOF

Cat Abc.txtgood Luckgood Doggood

3. Merge output to File

# creating Files Cat1.txtcat >cat1.txt <<eofcat1good Luckperson
Eof

# creating Files Cat2.txtcat >cat1.txt <<eofcat1good luckpersoneof

# Merge to Cat.txtcat cat1.txt cat2.txt > Cat.txt

# View the merged files cat Cat.txt

Linux File Command-cat command explanation