JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY 
HYDERABAD 
II Year B.Tech. CSE - I Sem T P C 
4+1* 0 4 
Unix and Shell Programming 

Unit I: 
Introduction to Unix:- Architecture of Unix, Features of Unix , Unix Commands – PATH, man, echo, 
printf, script, passwd, uname, who, date, stty, pwd, cd, mkdir, rmdir, ls, cp, mv, rm, cat, more, wc, lp, od, 
tar, gzip. 

Unit II : 
Unix Utilities:- Introduction to unix file system, vi editor, file handling utilities, security by file permissions, 
process utilities, disk utilities, networking commands, unlink, du, df, mount, umount, find, unmask, 
ulimit, ps, w, finger, arp, ftp, telnet, rlogin.Text processing utilities and backup utilities , detailed 
commands to be covered are tail, head , sort, nl, uniq, grep, egrep, fgrep, cut, paste, join, tee, pg, 
comm, cmp, diff, tr, awk, cpio 

Unit III : 
Introduction to Shells :
Unix Session, Standard Streams, Redirection, Pipes, Tee Command, Command Execution, CommandLine Editing, Quotes, Command Substitution, Job Control, Aliases, Variables, Predefined Variables, 
Options, Shell/Environment Customization. 
Filters :
Filters and Pipes, Concatenating files, Display Beginning and End of files, Cut and Paste, Sorting, 
Translating Characters, Files with Duplicate Lines, Count characters, Words or Lines, Comparing Files. 

Unit IV : 
Grep : 
Operation, grep Family, Searching for File Content. 
Sed : 
Scripts, Operation, Addresses, commands, Applications, grep and sed. 

Unit V : 
awk: 
Execution, Fields and Records, Scripts, Operations, Patterns, Actions, Associative Arrays, String 
Functions, String Functions, Mathematical Functions, User – Defined Functions, Using System 
commands in awk, Applications, awk and grep, sed and awk. 

Unit VI : 
Interactive Korn Shell :
Korn Shell Features, Two Special Files, Variables, Output, Input, Exit Status of a Command, eval 
Command, Environmental Variables, Options, Startup Scripts, Command History, Command Execution 
Process. 
Korn Shell Programming :
Basic Script concepts, Expressions, Decisions: Making Selections, Repetition, special Parameters and 
Variables, changing Positional Parameters, Argument Validation, Debugging Scripts, Script Examples. 

Unit VII : 
Interactive C Shell : 
C shell features, Two Special Files, Variables, Output, Input, Exit Status of a Command, eval Command, 
Environmental Variables, On-Off Variables, Startup and Shutdown Scripts, Command History, 
Command Execution Scripts. 
C Shell Programming : 
Basic Script concepts, Expressions, Decisions: Making Selections, Repetition, special Parameters and 
Variables, changing Positional Parameters, Argument Validation, Debugging Scripts, Script Examples. 

Unit VIII : 
File Management :
File Structures, System Calls for File Management – create, open, close, read, write, lseek, link, 
symlink, unlink, stat, fstat, lstat, chmod, chown, Directory API – opendir, readdir, closedir, mkdir, rmdir, 
umask. 

TEXT BOOKS : 
1. Unix and shell Programming Behrouz A. Forouzan, Richard F. Gilberg.Thomson 
2. Your Unix the ultimate guide, Sumitabha Das, TMH. 2nd Edition. 

REFERENCES : 
1. Unix for programmers and users, 3rd edition, Graham Glass, King Ables, Pearson Education. 
2. Unix programming environment, Kernighan and Pike, PHI. / Pearson Education 
3. The Complete Reference Unix, Rosen, Host, Klee, Farber, Rosinski, Second Edition, TMH.