man pages section 2: System Calls
    
A
 
 access — determine accessibility of a file ( Index Term Link )
 
 access permission mode of file, change — chmod ( Index Term Link )
 
 accounting, enable or disable process accounting — acct ( Index Term Link )
 
 acct — enable or disable process accounting ( Index Term Link )
 
 acl — get or set a file's Access Control List (ACL) ( Index Term Link )
 
 adjtime — correct the time to allow synchronization of the system clock ( Index Term Link )
 
 adjust local clock parameters — ntp_adjtime ( Index Term Link )
 
 alarm — schedule an alarm signal ( Index Term Link )
 
 audit — write an audit record ( Index Term Link )
 
 auditon — manipulate auditing ( Index Term Link )
 
 auditsvc() function ( Index Term Link )