UNIX SHELL SCRIPTING TRAINING

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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