Using UNIX Book

	Background and Objectives	12
	Organization and Flexibility	12
	Features	13
	Pedagogy	14
	Acknowledgements	15
1	Fundamental Unix Concepts	16
1.1	Introduction to Unix	17
1.2	The Unix Family	18
1.3	What is an Operating System?	19
1.4	The Unix File System	20
1.5	The Unix Process	34
1.6	The Unix Command Processor	38
1.7	The User Account	45
1.8	The System Administrator	46
1.9	Security	46
2	Essential Unix Commands	50
2.1	Logging On and Off a Unix System	51
2.2	Changing Your Password	54
2.3	A Quick Introduction to Unix Commands	56
2.4	Shell Variables and the Environment	64
2.5	The Terminal Driver	69
2.6	File Name Generation	73
2.7	File Commands	76
2.8	Directory Commands	93
2.9	Additional Shell Features	96
2.10	Additional Commands	103
3	Using the Text Editor	118
3.1	Text File Structure and Basic Concepts	119
3.2	Conventions Used in this Chapter	120
3.3	Starting vi	122
3.4	Command Line Arguments to vi	123
3.5	Command Mode versus Edit Mode	124
3.6	Moving the Cursor and Window	125
3.7	Appending and Inserting Text	131
3.8	Changing Replacing and Substituting Text	135
3.9	Deleting Text	140
3.10	Moving and Copying Text	143
3.11	Exiting vi Write and Quit	146
3.12	Searching for Text	148
3.13	Reversing Mistakes	154
3.14	Programmer Aids	155
3.15	Miscellaneous Editing Features	157
4	Compiling, Testing, and Debugging	164
4.1	The Compiler	165
4.2	The cc Command	168
4.3	Handling Errors	171
4.4	Some Debugging Tips	171
4.5	Extended Syntax and Semantic Checking	172
4.6	Symbolic Debugging	173
4.7	Performance Analysis and Tuning	178
4.8	Code and Program Maintenance	180
	A The Login Profile .profile	188
	B The User's Reference Manual	192
	C vi Command Summary	198
	D Unix Commands Summary	204
	E Overview of Korn and C Shells	210
	F Glossary	214
	G Index	234