Linux in a Nutshell, Fifth Edition

cat | 69

Linux

Commands

This is the Title of the Book, eMatter Edition

Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.

Options

-c directory

Look for the card configuration database in directory instead

of /etc/pcmcia.

-f Run in the foreground to process the current cards, then run

as a daemon.

-m directory

Look in directory for card device modules. Default is /lib/

modules/RELEASE, where RELEASE is the current kernel

release.

-o Configure the cards present in one pass, then exit.

-p file

Write cardmgr’s process ID to file instead of to /var/run/

cardmgr.pid.

-q Run in quiet mode. No beeps.

-s file

Write current socket information to file instead of /var/run/stab.

-v Verbose mode.

-V Print version number and exit.

cat

cat [options] [files]

Read (concatenate) one or more files and print them on standard

output. Read standard input if no files are specified or if - is speci-

fied as one of the files; input ends with EOF. You can use the >

operator to combine several files into a new file, or >> to append

files to an existing file. When appending to an existing file, use

Ctrl-D, the end-of-file symbol, to end the session.

Options

-A, --show-all

Same as -vET.

-b, --number-nonblank

Number all nonblank output lines, starting with 1.

-e Same as -vE.

-E, --show-ends

Print $ at the end of each line.

-n, --number

Number all output lines, starting with 1.

-s, --squeeze-blank

Squeeze down multiple blank lines to one ...