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| author | Yann E. MORIN <yann.morin.1998@free.fr> | 2016-01-21 22:23:38 +0100 |
|---|---|---|
| committer | Peter Korsgaard <peter@korsgaard.com> | 2016-02-01 08:02:38 +0100 |
| commit | 1ad97d1ff1324adaf2ccdd04a11e2a12b8ac8dcf (patch) | |
| tree | 702b6d43aef36b4cb77a86f003b4d37d9432972d /docs/manual/makedev-syntax.txt | |
| parent | 95dda394d9f2487d54c6ec529c3f9a7fd341a582 (diff) | |
| download | buildroot-1ad97d1ff1324adaf2ccdd04a11e2a12b8ac8dcf.tar.gz buildroot-1ad97d1ff1324adaf2ccdd04a11e2a12b8ac8dcf.zip | |
docs/manual: makedev syntax accepts usernames and group names
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Diffstat (limited to 'docs/manual/makedev-syntax.txt')
| -rw-r--r-- | docs/manual/makedev-syntax.txt | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/docs/manual/makedev-syntax.txt b/docs/manual/makedev-syntax.txt index cae37f77d3..0bbc16ec29 100644 --- a/docs/manual/makedev-syntax.txt +++ b/docs/manual/makedev-syntax.txt @@ -28,8 +28,10 @@ There are a few non-trivial blocks: * c: a character device file * b: a block device file * p: a named pipe -- +mode+, +uid+ and +gid+ are the usual permissions settings (only - numerical values are allowed) +- +mode+ are the usual permissions settings (only numerical values + are allowed) +- +uid+ and +gid+ are the UID and GID to set on this file; can be + either numerical values or actual names - +major+ and +minor+ are here for device files, set to +-+ for other files - +start+, +inc+ and +count+ are for when you want to create a batch @@ -37,19 +39,21 @@ There are a few non-trivial blocks: incrementing its counter by +inc+ until it reaches +count+ Let's say you want to change the permissions of a given file; using -this syntax, you will need to put: +this syntax, you will need to write: ---- -/usr/bin/foobar f 644 0 0 - - - - - +/usr/bin/foo f 755 0 0 - - - - - +/usr/bin/bar f 755 root root - - - - - +/data/buz f buz-user buz-group - - - - - ---- Alternatively, if you want to change owner/permission of a directory -recursively, you can put (to set UID to 123, GID to 456 and access +recursively, you can write (to set UID to foo, GID to bar and access rights to rwxr-x--- for the directory /usr/share/myapp and all files and directories below it): ---- -/usr/share/myapp r 750 123 456 - - - - - +/usr/share/myapp r 750 foo bar - - - - - ---- On the other hand, if you want to create the device file +/dev/hda+ @@ -57,13 +61,13 @@ and the corresponding 15 files for the partitions, you will need for +/dev/hda+: ---- -/dev/hda b 640 0 0 3 0 0 0 - +/dev/hda b 640 root root 3 0 0 0 - ---- and then for device files corresponding to the partitions of +/dev/hda+, +/dev/hdaX+, +X+ ranging from 1 to 15: ---- -/dev/hda b 640 0 0 3 1 1 1 15 +/dev/hda b 640 root root 3 1 1 1 15 ---- |
