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Unix Shell Script Interview Questions and Answers, Recorded Video Sessions, Materials, Mock Interviews Assignments Will be provided
SHELL SCRIPTING TOPICS OF THE COURSE
(the course content can be modified as per your requirements):

Shell Scripting In Unix /Linux Training Institute in Hyderabad

Unix-Shell Scripting
History of UNIX
Features of UNIX
Flavors of UNIX
Comparison of UNIX with Windows
Architecture of UNIX
UNIX File System
Different types of Files
  • Regular Files
  • Directory Files
  • Device Files
Basic Commands
  • pwd, logname, who, finger
  • Exit, date, cal
Creating Users & Groups
  • groupadd, groupdel
  • useradd, userdel
System startup & Shutdown
  • Init, halt, shutdown
  • Different Run levels
  • Different date formats
Working with files
  • cat, touch, rm
  • cp, mv
Working with Directories
  • mkdir, cd, rmdir, rm –r
Standard Input & Output
  • Redirecting output
  • Redirecting Input
Comparing Files
  • cmp, diff, comm
Searching files
  • find, locate, which
Zip files
  • gzip, gunzip
Displaying files
  • ls, ls options
Viewing long files
  • pg, more, head, tail
File Permissions
  • chmod, chown, chgrp, umask
Meta/Wild Card-characters
  • Class, Anchors
  • Repetition, Alteration
  • Group, Dot
Regular Expressions & Patterns
  • What is pattern
  • Usage of regular expression
  • Different types of pattern
  • Character pattern
  • Word pattern
  • Line pattern
Tools for Filters
  • grep, grep with options
Flat files
What are delimiters and its types?
Reading and Writing to files
Tools for column data
  • cut, paste
Tools for sorting
  • Sort by lines, Sort by fields
  • Sort with options, uniq
Changing information in files
  • tr, sed
Piping
  • usage of piping
  • piping with filters
  • tee command
Communication Tools
  • write, wall
  • mail, mail with options
Networking protocols
  • telnet, ftp
Disk status
  • du, df with options
Job control
  • Foreground jobs, background jobs
  • Killing jobs, nohup
Process status
  • ps , ps with options
Editor Vi
    • 3 modes
    • Command mode
    • Insert mode
    • Ex command mode
Shell Scripting
What is shell scripting?
Importance of shell scripting
Different types of shells
Creating shell script
Making shell scripting executable
Shell input & output
  • echo, print, read
Backslash character constants
Variables
  • What is variable
  • System defined variables
  • Environment files
  • User defined variables
  • Constant variables
  • Local & global variables
  • Special variables
Operators
  • Arithmetic variables
  • Relational numeric operators
  • Logical operators
  • Assignment operators
Conditional statements
  • if, if….else
  • if, elif
  • case
Looping
  • while, until, for
  • break, continue
File test commands
String test commands
exit & sleep commands
Command line arguments
  • Usage of COA
  • What is $0, S#, $*, $@, $? , $$
Job scheduling
  • cron
  • at
  • batch
Compiling and execution of C