cat
[options] [files]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. Use the >
shell operator to combine several files into a new file; >>
appends files to an existing file.
-b
Like -n
, but don't number blank lines. Solaris only.
-e
Print a $
to mark the end of each line. Must be used with -v
.
-n
Number lines. Solaris only.
-s
Suppress messages about nonexistent files. (Note: On some systems, -s
squeezes out extra blank lines.)
-t
Print each tab as ^I
and each form feed as ^L
. Must be used with -v
.
-u
Print output as unbuffered (default is buffered in blocks or screen lines).
-v
Display control characters and other nonprinting characters.
cat ch1
Display a filecat ch1 ch2 ch3 > all
Combine filescat note5 >> notes
Append to a filecat > temp1
Create file at terminal; end with EOFcat > temp2 << STOP
Create file at terminal; end with STOP