Process Creation & Lifecycle

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Question Tags Difficulty Success

1. Ready Not Running

process-statesblocking-io +2

Medium 74%

2. Still In The Table

zombie-processwait +2

Medium 61%

3. fork() and File Descriptors

forkfile_descriptors +2

Medium 61%

4. Why fork() then exec()

forkexec +3

Medium 75%

5. Who Adopts The Orphans

orphan-processreparenting +2

Medium 48%

6. One File Two Writers

forkfile-descriptors +2

Medium 50%

7. Changing Seats

Operating SystemsConcurrency

Medium 23%

8. Only The Child Loops

forkprocess-tree +2

Medium 53%

9. Ten Thousand Defunct Workers

zombie-processsigchld +2

Medium 39%

10. What Survives The Exec

execvefile-descriptors +2

Medium 18%

11. Buffer Lost To Exec

forkexec +2

Hard 70%

12. Hiding In The Buffer

forkstdio-buffering +2

Hard 43%

13. Forty Gigabytes To Spawn

forkposix-spawn +2

Hard 50%

process-statesblocking-ioschedulingcontext-switchzombie-processwaitprocess-tablereapingforkfile_descriptorsshared_offsetosexecseparationunix_philosophyorphan-processreparentinginitprocess-treefile-descriptorsaddress-spaceprocess-creationOperating SystemsConcurrencyreturn-valuecode-readingsigchldwaitpiddebuggingexecvesignal-dispositionprocess-imagestdio-bufferingprocess-apiposix-spawncopy-on-writepage-tables+1+2+3+4+5

Learning Resources

Operating Systems: Three Easy Pieces, Chapters 4, 5

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