The Checklist

Linux Basics

• File System Basics
  Linux organizes files and folders in a tree-like structure.
  Key directories include /bin, /etc, and /home.
  File and directory permissions control who can access them.
  
• User Management
  useradd" adds new users.
  "passwd" changes user passwords.
  "userdel" deletes users.
  
• Package Management
  "apt" and "yum" install software.
  "update" refreshes available software lists.
  "remove" uninstalls software.
  
• File Operations
  "cp" copies files.
  "mv" moves/renames files.
  "rm" deletes files.
  
• Process Management
  "ps" displays running programs.
  "kill" stops misbehaving processes.
  "&" runs processes in the background.
  
• Networking
  "ifconfig" checks network settings.
  "systemctl" manages network services.
  "ping" tests network connectivity.
  
• Text Editing
  "nano" and "vim" edit text.
  "grep" searches for text.
  "cat," "head," and "tail" manipulate text files.
  
• File Permissions
  Permission bits control file access.
  "chmod" changes permissions.
  "chown" changes file ownership.
  
• File Compression
  "tar" creates and extracts compressed archives.
  "gzip" and "gunzip" compress and decompress files.
  
• System Information
  "uname" and "lsb_release" show system info.
  "top" monitors resource usage.
  "df" and "du" check disk space.