Linux for Programmers with Shell Programming

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1. Linux Filters

Perspective grep sort

head and tail tr

cut od

paste split uniq sed

gawk

more and less tee lp

2. Bash Shell Programming

Shells

Scripting Rationale

Scripting Prerequisites Creating a bash Script bash Startup Scripts

A Script’s Environment

Exporting Variables Exit Status

Programming the bash Shell Parameter Passing Operators

Decision Making – if Complex Decisions

Arithmetic

Looping Constructs – for

Input and Output – echo and

read

Looping Constructs – while Functions Interrupts

3. Bash Shell Arithmetic

Introduction expr

bash Arithmetic Typed Variables Arrays

4. Networking Tools

TCP/IP

IP Addresses

Network Configuration Files Client / Server Computing telnet ping ftp

Non-Interactive ftp ssh scp

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5. Administrative Tools

date

adduser chown sudo df

du

gzip and gunzip tar at

crontab yum

6. Software Tools

Building a Linux Utility

Creating a Utility

The C Compiler make

Libraries

Shared Libraries

Appendix A: The Visual (vi) Editor

vi Modes

Starting and Stopping vi

Last Line Mode Commands Cursor Movement Commands Delete and Search Command2