Communication Networks Fundamentals lab 6 25022021 1 Compressing

ﺍﻷﺘﺼﺎﻝ ﻭ ﺍﻟﺸﺒﻜﺎﺕ ﺃﺴﺎﺳﻴﺎﺕ Communication & Networks Fundamentals lab 6 25/02/2021 1

Compressing Data on an NTFS partition èNTFS file system data compression enables you to compress files and folders. ﺗﻤﻜﻦ ﺍﻟﻤﺴﺘﺨﺪﻡ ﻣﻦ ﺍﻥ ﻳﻀﻐﻂ ﺍﻟﻤﻠﻔﺎﺕ ﻭﺍﻟﻤﺠﻠﺪﺍﺕ NTFS file system data compression èCompressed files and folders occupy less space on an NTFS-formatted partition , enabling you to store more data. ﻭﺑﺬﻟﻚ ﻧﺴﺘﻄﻴﻊ ﺍﻥ NTFS-formatted partition ﺍﻟﻤﺠﻠﺪﺍﺕ ﻭ ﺍﻟﻤﻠﻔﺎﺕ ﺍﻟﻤﻀﻐﻮﻃﺔ ﺗﺤﺘﻞ ﻣﺴﺎﺣﺔ ﺍﻗﻞ ﻣﻦ ﺍﻝ ﻧﺨﺰﻥ ﺑﻴﺎﻧﺎﺕ ﺍﻛﺜﺮ èYou set the compression state , ether compressed or uncompressed , of file or folder 25/02/2021 ﺃﻮ ﻏﻴﺮ ﻣﻀﻐﻮﻁ Compressed ﻳﻤﻜﻨﻚ ﺗﺤﺪﻳﺪ ﺣﺎﻟﺔ ﺍﻟﻤﻠﻒ ﺳﻮﺍﺀ ﺍﻥ ﻛﺎﻥ ﻣﻀﻐﻮﻁ Uncompressed 2

Introduction to compressed files and folders èEach file and folder on an NTFS partition has a compression state, which is either compressed or uncompressed. ﺍﻭ ﻏﻴﺮ compressed ﻭﺍﻟﺘﻲ ﻳﻤﻜﻦ ﺍﻥ ﻳﻜﻮﻥ ﺍﻣﺎ ﻣﻀﻐﻮﻁ compression state ﻛﻞ ﻣﻠﻒ ﺍﻭ ﻣﺠﻠﺪ ﻟﻪ uncompressed ﻣﻀﻐﻮﻁ èThe compression state for a folder does not necessarily reflect the compression state of the files and subfolders in that folder. ﻟﻤﺠﻠﺪ ﻻ ﺗﻌﻜﺲ ﺑﺎﻟﻀﺮﻭﺭﺓ ﺣﺎﻟﺔ ﺍﻟﻀﻐﻂ ﺑﺎﻟﻨﺴﺒﺔ ﻟﻠﻤﻠﻔﺎﺕ ﺍﻭ ﺍﻟﻤﺠﻠﺪﺍﺕ Compression state ﺍﻝ . ﺍﻟﻔﺮﻋﻴﺔ ﺍﻟﺘﻲ ﺑﺪﺍﺧﻠﻪ 25/02/2021 4

Compressing files and folders èYou cannot compress a file or folder if it is encrypted. If the encrypted content to source data check box is selected , you cannot compress the file or folder. check ﺍﺫﺍ ﻛﺎﻥ ﺍﻟﻤﻠﻒ ﻣﺸﻔﺮ ﻓﺎﻥ ﺍﻝ. encrypted ﻻ ﻳﻤﻜﻦ ﺿﻐﻂ ﺍﻟﻤﻠﻒ ﺍﻭ ﺍﻟﻤﺠﻠﺪ ﺍﺫﺍ ﻛﺎﻥ ﻣﺸﻔﺮ . ﻻﺗﺴﻤﺢ ﺑﺎﺧﺘﻴﺎﺭ ﺧﻴﺎﺭ ﺍﻟﻀﻐﻂ box èIf you compress a folder , Windows 2000 displays the confirm attribute changes dialog box , which has the two additional options. These options are described in the following table : ﻳﻈﻬﺮ ﻣﺮﺑﻊ ﺣﻮﺍﺭ ﻟﻪ ﺧﻴﺎﺭﻳﻦ ﺍﺿﺎﻓﻴﻦ ﻭﻫﺬﻩ ﺍﻟﺨﻴﺎﺭﺍﺕ ﻣﻮﺿﺤﺔ ﻓﻲ windows 2000 ﻋﻨﺪ ﺿﻐﻂ ﺍﻟﻤﺠﻠﺪ 25/02/2021 ﺍﻟﺠﺪﻭﻝ ﺍﻟﺘﺎﻟﻲ

Option Description Apply changes to this folder only Compress only the folder that you have selected any files or folders added to it ﻳﻀﻐﻂ ﺍﻟﻤﺠﻠﺪ ﺍﻟﺬﻱ ﺗﻢ ﺍﺧﺘﻴﺎﺭﻩ ﻭﺟﻤﻴﻊ ﺍﻟﻤﺠﻠﺪﺍﺕ ﺍﻟﻔﺮﻋﻴﺔ ﻭ ﺍﻟﻤﻠﻔﺎﺕ ﺍﻟﺘﻲ ﺳﻮﻑ ﺗﻀﺎﻑ ﺍﻟﻴﻪ Apply changes to this folder , subfolders and files Compresses the folder and all subfolders and files that are contained within it and added to it ﻳﻀﻐﻂ ﺍﻟﻤﺠﻠﺪ ﻭ ﺟﻤﻴﻊ ﻣﺤﺘﻮﻳﺎﺗﻪ ﻣﻦ ﻣﻠﻔﺎﺕ ﻭ ﺍﻟﻤﺠﻠﺪﺍﺕ ﺍﻟﻔﺮﻋﻴﺔ ﺍﻟﻤﻮﺟﻮﺩﺓ ﺑﺪﺍﺧﻠﻪ ﻭ ﺍﻟﺘﻲ ﺳﻮﻑ ﺗﻀﺎﻑ ﺍﻟﻴﻪ 25/02/2021 9

Using disk quotas User 1 100 MB User 2 35 MB 25/02/2021 NTFS partition 10

Enabling disk quotas è To enable disk quotas , open the properties dialog box for a disk. On the quota tab , configure the options that are described in the following table. Option Enable quota management Deny disk space to users exceeding quota limit Description Enable ( )ﺗﻔﻌﻴﻞ disk quota management Users cannot write to volume when they exceed their hard disk space allocation ﺑﻌﺪ ﺗﺠﺎﻭﺯ ﺍﻟﻤﺴﺎﺣﺔ ﺍﻟﻤﺨﺼﺼﺔ ﻟﻬﻢ disk ﺗﻤﻨﻊ ﺍﻟﻤﺴﺘﺨﺪﻣﻴﻦ ﻣﻦ ﺍﺳﺘﺨﺪﺍﻡ ﺍﻝ Do-not limit disk usage No hard disk space limit for users ﺍﻟﺘﻲ ﻳﺘﻢ ﺍﺗﺎﺣﺘﻬﺎ ﻟﻠﻤﺴﺘﺨﺪﻡ disk ﻻ ﺗﻀﻊ ﺣﺪﻭﺩ ﻟﻤﺴﺎﺣﺔ ﺍﻝ Limit disk space to Specify amount of disk space users can use ﺗﺤﺪﺩ ﻣﺴﺎﺣﺔ ﻣﻌﻴﻨﺔ ﻟﻠﻤﺴﺘﺨﺪﻣﻴﻦ ﻟﻴﺘﻢ ﺍﻟﺘﺨﺰﻳﻦ ﻋﻠﻴﻬﺎ Set warning level to Specify amount of disk space users can fill before event is logged ﻳﺴﺘﻄﻴﻊ ﺍﻟﻤﺴﺘﺨﺪﻣﻮﻥ ﻣﻠﺌﻬﺎ ﻗﺒﻞ ﺍﻥ ﻳﺘﻢ ﻣﻨﻊ ﺍﻻﺳﺨﺪﺍﻡ disk ﺗﺤﺪﻳﺪ ﻣﺴﺎﺣﺔ ﻣﻌﻴﻨﺔ ﻣﻦ ﺍﻝ 25/02/2021 Quota entries Add entries. Delete entries , view properties for 12 entries