Ubuntu and vi Editor Commands

Ubuntu

• A popular Linux distribution based on Debian
• Founded in 2004 by Mark Shuttleworth
• Known for its user-friendly interface and ease of use
• Available in three editions: Desktop, Server, and Core

vi Editor Commands

• Basic commands:
  • i: enters insert mode
  • Esc: exits insert mode
  • :wq: saves and quits the file
  • :q!: quits the file without saving
• Navigation:
  • h: moves cursor left
  • j: moves cursor down
  • k: moves cursor up
  • l: moves cursor right
• Editing:
  • dd: deletes a line
  • p: pastes a line
  • u: undoes a change

Permissions

• Three types of users:
  • owner: the user who owns the file
  • group: the group that owns the file
  • other: all other users
• Three types of permissions:
  • read (r): allows the user to view the file
  • write (w): allows the user to modify the file
  • execute (x): allows the user to execute the file
• Permission notations:
  • rwx: read, write, and execute permissions
  • rw-r--r--: owner has read and write permissions, group has read permission, other has read permission

Partition

• A partition is a logical division of a hard drive
• Types of partitions:
  • primary: a partition that can be used to boot an operating system
  • extended: a partition that can be subdivided into multiple logical partitions
  • logical: a partition that is created within an extended partition
• Partitioning tools:
  • fdisk: a command-line partitioning tool
  • gparted: a graphical partitioning tool

Samba Server

• A Samba server is a Linux-based file and print server
• Allows Windows clients to access Linux files and printers
• Configuration file: /etc/samba/smb.conf
• Basic configuration:
  • workgroup: specifies the workgroup name
  • security: specifies the security mode (e.g. user, share)
  • share: specifies the shared directory
• Samba commands:
  • smbclient: a command-line tool for accessing Samba shares
  • smbd: the Samba server daemon

Ubuntu

• A popular Linux distribution based on Debian, founded in 2004 by Mark Shuttleworth
• Known for its user-friendly interface and ease of use
• Available in three editions: Desktop, Server, and Core

vi Editor Commands

• Basic commands:
  • i: enters insert mode
  • Esc: exits insert mode
  • :wq: saves and quits the file
  • :q!: quits the file without saving
• Navigation:
  • h: moves cursor left
  • j: moves cursor down
  • k: moves cursor up
  • l: moves cursor right
• Editing:
  • dd: deletes a line
  • p: pastes a line
  • u: undoes a change

Permissions

• Three types of users:
  • owner: the user who owns the file
  • group: the group that owns the file
  • other: all other users
• Three types of permissions:
  • read (r): allows the user to view the file
  • write (w): allows the user to modify the file
  • execute (x): allows the user to execute the file
• Permission notations:
  • rwx: read, write, and execute permissions
  • rw-r--r--: owner has read and write permissions, group has read permission, other has read permission

Partition

• A partition is a logical division of a hard drive
• Types of partitions:
  • primary: a partition that can be used to boot an operating system
  • extended: a partition that can be subdivided into multiple logical partitions
  • logical: a partition that is created within an extended partition
• Partitioning tools:
  • fdisk: a command-line partitioning tool
  • gparted: a graphical partitioning tool

Samba Server

• A Samba server is a Linux-based file and print server
• Allows Windows clients to access Linux files and printers
• Configuration file: /etc/samba/smb.conf
• Basic configuration:
  • workgroup: specifies the workgroup name
  • security: specifies the security mode (e.g. user, share)
  • share: specifies the shared directory
• Samba commands:
  • smbclient: a command-line tool for accessing Samba shares
  • smbd: the Samba server daemon