Intel® Fortran Libraries Reference

Descriptions of the Library Routines 2mode(Input) Character*(*). File permission: either Read, Write, or Execute. The mode parameter can beeither symbolic or absolute. An absolute mode is specified with an octal number, consisting of anycombination of the following permission bits ORed together:Permission Bit Description Action4000 Set user ID onexecution2000 Set group ID onexecutionThe following regular expression represents a symbolic mode:[ugoa]*[+-=] [rwxXst]*W*32, W*64: Ignored; never trueL*X: SettableW*32, W*64: Ignored; never trueL*X: Settable1000 Sticky bit W*32, W*64: Ignored; never trueL*X: Settable0400 Read by owner W*32, W*64: Ignored; always trueL*X: Settable0200 Write by owner Settable0100 Execute by owner W*32, W*64: Ignored; based on file name extensionL*X: Settable0040, 0020, 0010 Read, Write,Execute by group0004, 0002, 0001 Read, Write,Execute by othersW*32, W*64: Ignored; assumes owner permissionsL*X: SettableW*32, W*64: Ignored; assumes owner permissionsL*X: Settable"[ugoa]*" is ignored on Windows* systems. On Linux* systems, a combination of the letters"ugoa" control which users’ access to the file will be changed:ugoaThe user who owns the fileOther users in the group that owns the fileOther users not in the group that owns the fileAll users"[+ - =]" indicates the operation to carry out:+ Add the permission– Remove the permission= Absolutely set the permission2-27