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Home > Art, Film & Photography > Unix: Ordres Unix, Gestio de Processos Unix, Shebang, awk, Netstat, Ls, Man, Identificador de Proces, Sudo, NeXTSTEP, Ping, SunOS, Senyal, Fork
Unix: Ordres Unix, Gestio de Processos Unix, Shebang, awk, Netstat, Ls, Man, Identificador de Proces, Sudo, NeXTSTEP, Ping, SunOS, Senyal, Fork

Unix: Ordres Unix, Gestio de Processos Unix, Shebang, awk, Netstat, Ls, Man, Identificador de Proces, Sudo, NeXTSTEP, Ping, SunOS, Senyal, Fork


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About the Book

Font: Wikipedia. Pagines: 32. Capitols: Ordres Unix, Gestio de processos Unix, Shebang, Awk, Netstat, Ls, Man, Identificador de proces, Sudo, NEXTSTEP, Ping, SunOS, Senyal, Fork, System V, Dennis Ritchie, Xenix, Kill, POSIX, VT100, AIX, Cd, Ps, Control de tasques, Mkdir, Top, Find, /dev/null, Chown, Rm, Webmin, Cron, Chmod, Killall, Nice, Time, Pidof, Fsck, Wait, Uname, Info, Watch, Shell d'Unix, Sleep, Pstree, Pkill, UUCP, Jobs, Mount, Bg, Exit, Fg. Extracte: Una de les funcionalitat principals dels sistemes operatius Unix o similars (Unix-like) es gestionar de forma correcte l'execucio de processos. Podem dividir la gestio de processos en 4 parts: La creacio de processos es una tasca que gestiona el sistema operatiu del sistema. Les aplicacions que s'executen en l'espai d'usuari del sistema, no poden crear directament nous processos i han de delegar aquesta tasca al sistema operatiu. Aquesta delegacio es du a terme mitjancant crides al sistema. A UNIX, un proces pot crear un altre proces mitjancant la crida al sistema fork. El proces original es anomenat proces pare i el nou proces es anomenat proces fill. Aquest sistema de generacio de processos crea el que es coneix com l'arbre de processos del sistema. Tots els processos del sistema tenen un proces pare, formant una estructura de dades arbre. L'arrel d'aquest arbre es el proces inicial del sistema, que en Unix se sol anomenar proces init. L'ordre pstree mostra aquest arbre de processos. El proces init es considerat el primer proces d'usuari del sistema i per aquest rao se li assigna l'identificador de proces (PID) 1. Aquest proces es executat pel nucli (del terme angles kernel) del sistema operatiu durant l'arrancada del sistema. La gestio de tots els processos d'un sistema la duu a terme el nucli del sistema operatiu, el proces del nucli encarregat d'aquesta tasca es conegut com a Planificador, tambe conegut pels termes anglesos swapper o scheduler. Es diu que aquest proces te l'identificador de proces 0 (...


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Product Details
  • ISBN-13: 9781232744603
  • Publisher: Books LLC, Wiki Series
  • Publisher Imprint: Books LLC, Wiki Series
  • Height: 246 mm
  • No of Pages: 34
  • Spine Width: 2 mm
  • Weight: 82 gr
  • ISBN-10: 1232744603
  • Publisher Date: 04 Aug 2011
  • Binding: Paperback
  • Language: Catalan
  • Returnable: N
  • Sub Title: Ordres Unix, Gestio de Processos Unix, Shebang, awk, Netstat, Ls, Man, Identificador de Proces, Sudo, NeXTSTEP, Ping, SunOS, Senyal, Fork
  • Width: 189 mm


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