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UNIX in a Nutshell: System V Edition

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UNIX Commands
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Read one or more files and print them on standard output. Read standard input if no files are specified or if - is specified as one of the files; end input with EOF . You can use the > operator to combine several files into a new file; use >> to append files to an existing file.



Print a $ to mark the end of each line. Must be used with -v .


Suppress messages about nonexistent files. (Note: In the BSD version, -s squeezes out extra blank lines.)


Print each tab as ^I and each form feed as ^L. Must be used with -v .


Print output as unbuffered (default is buffered in blocks or screen lines).


Display control characters and other nonprinting characters.


cat ch1

Display a file.

cat ch1 ch2 ch3 > all

Combine files.

cat note5 >> notes

Append to a file.

cat > temp1

Create file at terminal; end with EOF.

cat > temp2 << STOP

Create file at terminal; end with 


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