History and development of Unix

Key features of Unix

Unix philosophy: simplicity, modularity, and reuse of code

Unix flavors and distributions (AIX, HP-UX, Solaris, BSD, etc.)

Unix vs. Linux

Kernel, shell, and application layers

Kernel responsibilities: process management, memory management, file system management

Unix file system layout and structure

The role of the shell (command-line interpreter)

Process and device management in Unix

Logging into a Unix system

The Unix command-line interface (CLI)

Basic shell types (Bash, Bourne Shell, Korn Shell, C Shell)

Unix man pages (manuals) and help systems

Hierarchical file structure (/, /bin, /usr, /var, /home, etc.)

File types: regular files, directories, special files

Pathnames: absolute and relative paths

Basic file manipulation commands (ls, cd, cp, mv, rm, mkdir, rmdir)

File ownership and permissions (chmod, chown, chgrp)

Hard links and symbolic links (ln)

Viewing file content (cat, more, less, head, tail)

Editing files with vi, nano, or other text editors

File search and filtering (find, grep, egrep)

Sorting, comparing, and processing files (sort, diff, cmp, wc, cut, paste)

Understanding processes: foreground and background processes

Process lifecycle and states

Managing processes (ps, top, kill, nohup, nice)

Process scheduling with cron jobs and at jobs

Job control: bg, fg, jobs, kill

Introduction to shells (Bash, Korn, C Shell)

Writing basic shell scripts

Variables, loops, and conditionals in shell scripts

Passing arguments to scripts and using input/output redirection

Debugging and error handling in shell scripts

Automating tasks using shell scripts

Adding, modifying, and removing users (useradd, usermod, userdel)

Managing groups (groupadd, groupmod, groupdel)

File ownership and permissions

Understanding and configuring sudo privileges

Configuring user environments (bashrc, profile, etc.)

Basic network concepts: IP addresses, DNS, DHCP, routing

Network configuration and troubleshooting (ifconfig, netstat, ping, traceroute)

File transfer protocols and tools (ftp, scp, sftp)

Remote login and management (ssh, telnet, rlogin)

Configuring network services and daemons (inetd, xinetd)

File and directory permissions (read, write, execute)

Understanding and managing access control lists (ACLs)

File permissions with chmod (numeric and symbolic)

User masks and default permissions (umask)

Securing the Unix system: firewalls, file system permissions, and SSH

Auditing and monitoring user activities (history, logs)

Overview of system administration responsibilities

Boot process and system initialization (bootloader, init, systemd)

Disk management and partitioning (fdisk, mkfs, mount, umount)

Managing swap space and memory

Backup and restore procedures (tar, rsync, cpio, dump)

Monitoring system performance (uptime, vmstat, iostat)

Installing and managing software packages

Package managers for different Unix systems (pkgadd for Solaris, rpm for AIX)

Building and installing software from source code

Patch management and system updates

Managing shared libraries (ldd, ldconfig)

Network configuration files and their usage (hosts, resolv.conf)

Configuring network services: NFS (Network File System), FTP, DNS, SMTP

Configuring firewalls and security services

File sharing between Unix systems

Remote job execution (rsh, rcp)

awk, sed: Text processing and pattern matching

Regular expressions and their use in Unix utilities

Advanced searching and filtering (grep, awk, sed)

Pipes and redirection: combining commands for complex operations

Xargs: executing commands from standard input

Monitoring system performance (top, iostat, vmstat, sar)

Memory management and troubleshooting (free, ps, top)

Identifying CPU, memory, and disk bottlenecks

Disk quotas and managing user disk space

System logs and log rotation (syslog, logrotate)

Configuring firewall rules

Enforcing strong authentication and password policies

Hardening SSH for secure access

File integrity checking and auditing tools (tripwire, auditd)

Secure communication protocols (SSH, SSL/TLS)

Detecting and preventing intrusions with tools like Snort and Fail2Ban

Unix OS Training Program

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Course content

Why Should You Learn Unix OS Training?

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DSP & Microcontrollers

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Unix OS Training Program

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KEY POINTS

90+

18+

1500+

5+

ZebLearn Certification Partners – Globally Recognized Credentials!

Course content

# Introduction to Unix

# Unix Architecture

# Getting Started with Unix

# Unix File System

# Working with Files in Unix

# Processes in Unix

# Unix Shell and Shell Scripting

# Unix User and Group Management

# Unix Networking

# Unix File Permissions and Security

# Unix System Administration

# Unix Software Management

# Unix Networking and Communication

# Advanced Unix Commands

# Unix Performance Monitoring and Tuning

# Unix Security

Why Should You Learn Unix OS Training?

Request more information

What you will get at Zeblearnindia Learning?

() 60 Minutes WEBINAR with CERTIFICATE

Explore Our Courses Across India - Flexible batches