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Samenvatting Computersystemen 1 -theorie operating systems periode 1

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Een samenvatting van de theorie van operating systems 1 uit periode 1, een subvak van computersystemen 2 uit toegepaste informatica aan kdg.

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  • January 17, 2023
  • 23
  • 2021/2022
  • Summary
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OPERATING
SYSTEMS -P1




KDG | 2021

,Inhoudsopgave

1. Linux introductie ......................................................................................................................................... 3

1.2 Navigatie in bestandsysteem......................................................................................................................... 3

1.3 Nuttige shell-commando’s............................................................................................................................. 4

1.4 Hulp vragen ................................................................................................................................................... 4

1.5 Gebruikers ..................................................................................................................................................... 5

1.6 Stream, pipes, redirects ................................................................................................................................. 5

1.7 Variabelen ..................................................................................................................................................... 6

2. Tekstbestanden .......................................................................................................................................... 6

2.1 Editors............................................................................................................................................................ 6

2.2 Edit mode commands .................................................................................................................................... 6

2.3 Terug naar de terminal .................................................................................................................................. 7

2.4 Bewaren of terug gaan .................................................................................................................................. 7

2.5 Verplaatsen (command mode) ...................................................................................................................... 7

2.6 Command mode commands .......................................................................................................................... 7

2.7 Tekst weergeven ............................................................................................................................................ 7

2.8 Nummeren en tellen ...................................................................................................................................... 8
2.8.1 Commands.............................................................................................................................................. 8

2.9 Filteren en sorteren ....................................................................................................................................... 8
2.9.1 Commands.............................................................................................................................................. 8
2.9.2 Grep ........................................................................................................................................................ 9

3. Reguliere expressies.................................................................................................................................... 9

3.1 Lijnen die met iets beginnen of eindigen met iets ....................................................................................... 10

3.2 Woorden beginnend of eindigend ............................................................................................................... 10

3.3 Willekeurig teken gebruiken ........................................................................................................................ 10

3.4 Herhalingen ................................................................................................................................................. 10

3.5 Sed ............................................................................................................................................................... 11

3.6 Tr ................................................................................................................................................................. 11

3.7 Uniq ............................................................................................................................................................. 12

4. Bestandsbeheertaken ............................................................................................................................... 12

4.1 Werken met bestanden ............................................................................................................................... 12

4.2 Commando’s ................................................................................................................................................ 12

4.2.1 Directories ................................................................................................................................................ 13




1

, 4.2.2 Copy ......................................................................................................................................................... 13

4.2.3 Move......................................................................................................................................................... 13

4.2.4 Remove ..................................................................................................................................................... 13

4.2.5 File globbing ............................................................................................................................................. 14

4.2.6 Touch, file ................................................................................................................................................. 14

4.2.7 Stat ........................................................................................................................................................... 14

4.3 Werken met blokken.................................................................................................................................... 15
4.3.1 dd.......................................................................................................................................................... 15

4.3.2 Archiefbestanden...................................................................................................................................... 15

4.3.3 Zip ............................................................................................................................................................. 16

5. Links ......................................................................................................................................................... 16

5.1 Hard links ..................................................................................................................................................... 17
5.1.1 Hardlink aanmaken............................................................................................................................... 18

5.2 Soft link ........................................................................................................................................................ 18
5.2.1 Bestand bewerken via softlink ............................................................................................................. 18

6. Bestanden zoeken ..................................................................................................................................... 19

6.1 Bestanden zoeken met find ......................................................................................................................... 21

6.2 Speciale opties ............................................................................................................................................. 21

6.3 Zoeken op types ........................................................................................................................................... 22

6.4 Find + execute commando ........................................................................................................................... 22




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