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32 .\" @(#)chflags.2 8.3 (Berkeley) 5/2/95
33 .\" $FreeBSD: src/lib/libc/sys/chflags.2,v 1.11.2.7 2001/12/14 18:34:00 ru Exp $
34 .\" $DragonFly: src/lib/libc/sys/chflags.2,v 1.5 2008/11/11 00:55:49 pavalos Exp $
50 .Fn chflags "const char *path" "u_long flags"
52 .Fn lchflags "const char *path" "u_long flags"
54 .Fn fchflags "int fd" "u_long flags"
59 or referenced by the descriptor
61 has its flags changed to
68 except in the case where the named file is a symbolic link,
71 will change the flags of the link itself,
72 rather than the file it points to.
74 The flags specified are formed by
78 .Bl -tag -width "SF_IMMUTABLE" -compact -offset indent
82 The file may not be changed.
84 The file may only be appended to.
86 The file may not be renamed or deleted.
88 Do not retain history for file.
90 The directory is opaque when viewed through a union stack.
92 The file may be archived.
94 The file may not be changed.
96 The file may only be appended to.
98 The file may not be renamed or deleted.
100 Do not retain history for file.
111 flags may be set or unset by either the owner of a file or the super-user.
120 flags may only be set or unset by the super-user.
121 Attempts by the non-super-user to set the super-user only flags
122 are silently ignored.
123 These flags may be set at any time, but normally may only be unset when
124 the system is in single-user mode.
135 A component of the path prefix is not a directory.
136 .It Bq Er ENAMETOOLONG
137 A component of a pathname exceeded 255 characters,
138 or an entire path name exceeded 1023 characters.
140 The named file does not exist.
142 Search permission is denied for a component of the path prefix.
144 Too many symbolic links were encountered in translating the pathname.
146 The effective user ID does not match the owner of the file and
147 the effective user ID is not the super-user.
149 The named file resides on a read-only file system.
152 points outside the process's allocated address space.
156 error occurred while reading from or writing to the file system.
158 The underlying file system does not support file flags.
165 The descriptor is not valid.
168 refers to a socket, not to a file.
170 The effective user ID does not match the owner of the file and
171 the effective user ID is not the super-user.
173 The file resides on a read-only file system.
177 error occurred while reading from or writing to the file system.
179 The underlying file system does not support file flags.
192 functions first appeared in