The Linux Programming Interface: a linux and unix system Programming Handbook
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15 FILE ATTRIBUTES 279 15.1 Retrieving File Information: stat() ................................................................................. 279 15.2 File Timestamps......................................................................................................... 285 15.2.1 Changing File Timestamps with utime() and utimes() ................................. 287 15.2.2 Changing File Timestamps with utimensat() and futimens() ........................ 289 15.3 File Ownership ......................................................................................................... 291 15.3.1 Ownership of New Files ........................................................................ 291 15.3.2 Changing File Ownership: chown() , fchown() , and lchown() ....................... 291 15.4 File Permissions ......................................................................................................... 294 15.4.1 Permissions on Regular Files ................................................................... 294 15.4.2 Permissions on Directories...................................................................... 297 15.4.3 Permission-Checking Algorithm ............................................................... 297 15.4.4 Checking File Accessibility: access() ......................................................... 299 15.4.5 Set-User-ID, Set-Group-ID, and Sticky Bits ................................................. 300 15.4.6 The Process File Mode Creation Mask: umask() ........................................ 301 15.4.7 Changing File Permissions: chmod() and fchmod() ..................................... 303 15.5 I-node Flags ( ext2 Extended File Attributes) ................................................................... 304 15.6 Summary.................................................................................................................. 308 15.7 Exercises .................................................................................................................. 309 tải về 6.93 Mb. Chia sẻ với bạn bè của bạn:
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