{"id":"https://openalex.org/W2162337797","doi":"https://doi.org/10.1145/2331576.2331588","title":"Experiences in teaching an educational user-level operating systems implementation project","display_name":"Experiences in teaching an educational user-level operating systems implementation project","publication_year":2012,"publication_date":"2012-07-13","ids":{"openalex":"https://openalex.org/W2162337797","doi":"https://doi.org/10.1145/2331576.2331588","mag":"2162337797"},"language":"en","primary_location":{"id":"doi:10.1145/2331576.2331588","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2331576.2331588","pdf_url":null,"source":{"id":"https://openalex.org/S50071195","display_name":"ACM SIGOPS Operating Systems Review","issn_l":"0163-5980","issn":["0163-5980","1943-586X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGOPS Operating Systems Review","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009788320","display_name":"Adam J. Aviv","orcid":"https://orcid.org/0000-0002-3792-2485"},"institutions":[{"id":"https://openalex.org/I36788626","display_name":"California University of Pennsylvania","ror":"https://ror.org/01spssf70","country_code":"US","type":"education","lineage":["https://openalex.org/I36788626"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Adam J. Aviv","raw_affiliation_strings":["University of Pennsylvania"],"affiliations":[{"raw_affiliation_string":"University of Pennsylvania","institution_ids":["https://openalex.org/I36788626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025674144","display_name":"Vin Mannino","orcid":null},"institutions":[{"id":"https://openalex.org/I36788626","display_name":"California University of Pennsylvania","ror":"https://ror.org/01spssf70","country_code":"US","type":"education","lineage":["https://openalex.org/I36788626"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vin Mannino","raw_affiliation_strings":["University of Pennsylvania"],"affiliations":[{"raw_affiliation_string":"University of Pennsylvania","institution_ids":["https://openalex.org/I36788626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045059711","display_name":"Thanat Owlarn","orcid":null},"institutions":[{"id":"https://openalex.org/I36788626","display_name":"California University of Pennsylvania","ror":"https://ror.org/01spssf70","country_code":"US","type":"education","lineage":["https://openalex.org/I36788626"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thanat Owlarn","raw_affiliation_strings":["University of Pennsylvania"],"affiliations":[{"raw_affiliation_string":"University of Pennsylvania","institution_ids":["https://openalex.org/I36788626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076934875","display_name":"Seth Shannin","orcid":null},"institutions":[{"id":"https://openalex.org/I36788626","display_name":"California University of Pennsylvania","ror":"https://ror.org/01spssf70","country_code":"US","type":"education","lineage":["https://openalex.org/I36788626"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Seth Shannin","raw_affiliation_strings":["University of Pennsylvania"],"affiliations":[{"raw_affiliation_string":"University of Pennsylvania","institution_ids":["https://openalex.org/I36788626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102153874","display_name":"Kevin Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I36788626","display_name":"California University of Pennsylvania","ror":"https://ror.org/01spssf70","country_code":"US","type":"education","lineage":["https://openalex.org/I36788626"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kevin Xu","raw_affiliation_strings":["University of Pennsylvania"],"affiliations":[{"raw_affiliation_string":"University of Pennsylvania","institution_ids":["https://openalex.org/I36788626"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090052860","display_name":"Boon Thau Loo","orcid":"https://orcid.org/0000-0002-4757-1746"},"institutions":[{"id":"https://openalex.org/I36788626","display_name":"California University of Pennsylvania","ror":"https://ror.org/01spssf70","country_code":"US","type":"education","lineage":["https://openalex.org/I36788626"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Boon Thau Loo","raw_affiliation_strings":["University of Pennsylvania"],"affiliations":[{"raw_affiliation_string":"University of Pennsylvania","institution_ids":["https://openalex.org/I36788626"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5009788320"],"corresponding_institution_ids":["https://openalex.org/I36788626"],"apc_list":null,"apc_paid":null,"fwci":1.0638,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.80199514,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"46","issue":"2","first_page":"80","last_page":"86"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12127","display_name":"Software System Performance and Reliability","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12127","display_name":"Software System Performance and Reliability","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10743","display_name":"Software Testing and Debugging Techniques","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9933000206947327,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8587676286697388},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.7012781500816345},{"id":"https://openalex.org/keywords/unix","display_name":"Unix","score":0.5966213345527649},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.526452362537384},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.48387086391448975},{"id":"https://openalex.org/keywords/software-engineering","display_name":"Software engineering","score":0.45235496759414673},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.4380427598953247},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.41114598512649536},{"id":"https://openalex.org/keywords/engineering-management","display_name":"Engineering management","score":0.3641279339790344},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.3371809422969818},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09386205673217773}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8587676286697388},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.7012781500816345},{"id":"https://openalex.org/C112968700","wikidata":"https://www.wikidata.org/wiki/Q11368","display_name":"Unix","level":3,"score":0.5966213345527649},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.526452362537384},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.48387086391448975},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.45235496759414673},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.4380427598953247},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.41114598512649536},{"id":"https://openalex.org/C110354214","wikidata":"https://www.wikidata.org/wiki/Q6314146","display_name":"Engineering management","level":1,"score":0.3641279339790344},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.3371809422969818},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09386205673217773},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2331576.2331588","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2331576.2331588","pdf_url":null,"source":{"id":"https://openalex.org/S50071195","display_name":"ACM SIGOPS Operating Systems Review","issn_l":"0163-5980","issn":["0163-5980","1943-586X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGOPS Operating Systems Review","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1674182311","https://openalex.org/W1726111130","https://openalex.org/W2087273732","https://openalex.org/W2160773789","https://openalex.org/W2216848248","https://openalex.org/W4240342977"],"related_works":["https://openalex.org/W3053791662","https://openalex.org/W2370505686","https://openalex.org/W3158820933","https://openalex.org/W2144237141","https://openalex.org/W2486626696","https://openalex.org/W2788290641","https://openalex.org/W3123018244","https://openalex.org/W2539062483","https://openalex.org/W3170324660","https://openalex.org/W2126037924"],"abstract_inverted_index":{"The":[0],"importance":[1],"of":[2,24,123,129,140,153,158,175,186],"a":[3,37,76,79,95,151,184],"comprehensive":[4],"implementation":[5,101,125],"component":[6],"for":[7,150,164],"undergraduate":[8],"Operating":[9,105],"Systems":[10],"(OS)":[11],"courses":[12],"cannot":[13],"be":[14,85],"understated.":[15],"Students":[16],"not":[17,84],"only":[18,36],"develop":[19],"deep":[20],"insight":[21],"and":[22,113,160,178],"understanding":[23],"OS":[25,54,68,100],"fundamentals,":[26],"but":[27],"they":[28],"also":[29],"learn":[30],"key":[31],"software":[32],"engineering":[33],"skills":[34],"that":[35,82,120],"large":[38],"development":[39],"project,":[40],"such":[41,75],"as":[42,134],"implementing":[43],"an":[44],"OS,":[45],"can":[46],"teach.":[47],"There":[48],"are":[49],"clear":[50],"benefits":[51,133],"to":[52,98,183],"traditional":[53,135],"projects":[55,137],"where":[56],"students":[57],"program":[58],"or":[59,65],"alter":[60],"real":[61],"(Linux)":[62],"kernel":[63],"source":[64],"extend":[66],"educational":[67,132],"implementations;":[69],"however,":[70],"in":[71,87],"our":[72,179],"experience,":[73],"bootstrapping":[74],"project":[77,146,177],"is":[78],"huge":[80],"undertaking":[81],"may":[83],"accessible":[86],"many":[88,128,139],"classrooms.":[89],"In":[90],"this":[91,121],"paper,":[92],"we":[93],"describe":[94],"different":[96],"approach":[97],"the":[99,124,130,141,156,165,172,176],"assignment:":[102],"A":[103],"user-level":[104],"System":[106],"simulation":[107],"based":[108],"on":[109],"UNIX":[110],"preemptive":[111],"signaling":[112],"threading":[114],"constructs":[115],"called":[116],"ucontext.":[117],"We":[118],"believe":[119],"variation":[122],"assignment":[126],"provides":[127],"same":[131],"low-level":[136],"without":[138],"expensive":[142],"start-up":[143],"costs.":[144],"This":[145,169],"has":[147],"been":[148],"taught":[149],"number":[152],"years":[154],"at":[155],"University":[157],"Pennsylvania":[159],"was":[161],"recently":[162],"overhauled":[163],"Fall":[166],"2011":[167],"semester.":[168],"paper":[170],"describes":[171],"current":[173],"version":[174],"experiences":[180],"teaching":[181],"it":[182],"class":[185],"54":[187],"students.":[188]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}