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请教
原帖由 "ihweb" 发表:
哦?!如果我重新启动后把securelevel 降低还可以吗?
(好象文章没说过。)
瞎说!!!
$ man chflags
Formatting page, please wait...Done.
CHFLAGS(1) FreeBSD General Commands Manual CHFLAGS(1)
NAME
chflags - change file flags
SYNOPSIS
chflags [-R [-H | -L | -P]] flags file ...
DESCRIPTION
The chflags utility modifies the file flags of the listed files as speci­
fied by the flags operand.
The options are as follows:
-H If the -R option is specified, symbolic links on the command line
are followed. (Symbolic links encountered in the tree traversal
are not followed.)
-L If the -R option is specified, all symbolic links are followed.
-P If the -R option is specified, no symbolic links are followed.
This is the default.
-R Change the file flags for the file hierarchies rooted in the
files instead of just the files themselves.
The flags are specified as an octal number or a comma separated list of
keywords. The following keywords are currently defined:
arch set the archived flag (super-user only)
opaque set the opaque flag (owner or super-user only)
nodump set the nodump flag (owner or super-user only)
sappnd set the system append-only flag (super-user only)
schg set the system immutable flag (super-user only)
sunlnk set the system undeletable flag (super-user only)
uappnd set the user append-only flag (owner or super-user only)
uchg set the user immutable flag (owner or super-user only)
uunlnk set the user undeletable flag (owner or super-user only)
archived, sappend, schange, simmutable, uappend, uchange,
uimmutable, sunlink, uunlink
aliases for the above
Putting the letters ``no'' before an option causes the flag to be turned
off. For example:
nouchg the immutable bit should be cleared Symbolic links do not have flags, so unless the -H or -L option is set,
chflags on a symbolic link always succeeds and has no effect. The -H, -L
and -P options are ignored unless the -R option is specified. In addi­
tion, these options override each other and the command's actions are
determined by the last one specified.
You can use "ls -lo" to see the flags of existing files.
DIAGNOSTICS
The chflags utility exits 0 on success, and >;0 if an error occurs.
SEE ALSO
ls(1), chflags(2), stat(2), fts(3), symlink(7)
HISTORY
The chflags command first appeared in 4.4BSD.
FreeBSD 4.7 May 2, 1995 FreeBSD 4.7 |
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