How to create and display file contents using cat command ?

Create file

# cat > create-linux-file.txt

contents here ...

Display file

# cat create-linux-file.txt

Appends text to file

# cat >> create-linux-file.txt

this is the line appends to create-linux-file.txt

this is an example on using redirection to appends text

Switches

-n, --number    number all output lines

-b, --number-nonblank    number non-blank output lines

-E, --show-ends      display $ at end of each line

-s, --squeeze-blank       never more than one single blank line

-T, --show-tabs     display TAB characters as ^I

-u      (ignored)

-v, --show-nonprinting    use ^ and M- notation, except for LFD and TAB

     --help    display this help and exit

     --version     output version information and exit

-A, --show-all      equivalent to -vET

-t     equivalent to -vT

-e    equivalent to -vE

Example

# cat -n create-linux-file.txt

Contents here...