Linux commands: Cat

Full Name:concatenate files and print on the standard output

Purpose: The entire contents of the file are continuously output to the standard output (screen) from beginning to end

format:cat [OPTION] ... [FILE] ...

type:cat is hashed (/BIN/CAT)

Description

This command will output all the contents of the file, suitable for small files with less number of rows, and for large files with multiple lines of content, because there are too many rows to see the output.

-A,--show-all: equivalent to "-vet".

-B,--number-nonblank: The line is numbered when it is output, and the blank line is output but not numbered.

-E: Equivalent to "-ve".

-E,--show-ends: Add the $ symbol at the end of the output line.

-N,--number: All output lines are numbered, and blank lines are numbered.

-S,--squeeze-blank: A continuous empty line is more than or equal to two rows, compressed into a blank line output.

-T: equivalent to "-VT".

-T,--show-tabs: If there is a tab symbol in the file, it is denoted by "^i".

-V,--show-nonprinting:use ^ and m-notation, except for LFD and TAB.

Linux commands: Cat