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Top Forums UNIX for Advanced & Expert Users File and Directory Names become hidden Post 21850 by dbinsol1 on Thursday 23rd of May 2002 03:03:54 PM
Old 05-23-2002
Below is an example of what's happening. The first 2 commands display the umask output and directory permissions. Afterwards is an example of what's happening. There is only one file in the "project 3" directory, called "bko.fnl". I copy the this file to a new file called "bko.dos". The file is created but is "hidden" when using the "ls" command, and the contents can be viewed with the "more" command. It can also be removed. But when the new file has the name "testfile" it's not "hidden" and can be seen using "ls". I should also note that I can see the "bko.dos" file when I'm using the desktop file manager.

user55@gamera> umask
0022
user55@gamera> ls -la
total 14
total 14
drwxr-xr-x 7 user55 staff 512 May 22 17:05 .
drwxr-xr-x 5 user55 staff 048 May 23 14:38 ..
drwxr-xr-x 2 user55 staff 1024 May 23 14:38 project3
drwxr-xr-x 2 user55 staff 3072 May 23 12:09 project4
user55@gamera> cd project3
user55@gamera> ls -la
total 4
total 4
drwxr-xr-x 2 user55 staff 512 May 23 14:42 .
drwxr-xr-x 7 user55 staff 512 May 22 17:05 ..
-rw-r--r-- 1 user55 staff 32 May 23 14:42 bko.fnl
user55@gamera> more bko.fnl
Test file, contents of bko.fnl.
user55@gamera> cp bko.fnl bko.dos
user55@gamera> ls -la
total 4
total 4
drwxr-xr-x 2 user55 staff 512 May 23 14:42 .
drwxr-xr-x 7 user55 staff 512 May 22 17:05 ..
-rw-r--r-- 1 user55 staff 32 May 23 14:42 bko.fnl
user55@gamera> more bko.dos
Test file, contents of bko.fnl.
user55@gamera> rm bko.dos
user55@gamera> cp bko.fnl testfilename
user55@gamera> ls -la
total 4
total 4
drwxr-xr-x 2 user55 staff 512 May 23 14:51 .
drwxr-xr-x 7 user55 staff 512 May 22 17:05 ..
-rw-r--r-- 1 user55 staff 32 May 23 14:42 bko.fnl
-rw-r--r-- 1 user55 staff 32 May 23 14:51 testfilename
user55@gamera> more testfilename
Test file, contents of bko.fnl.
user55@gamera>
 

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CHGRP(1)							   User Commands							  CHGRP(1)

NAME
chgrp - change group ownership SYNOPSIS
chgrp [OPTION]... GROUP FILE... chgrp [OPTION]... --reference=RFILE FILE... DESCRIPTION
Change the group of each FILE to GROUP. With --reference, change the group of each FILE to that of RFILE. -c, --changes like verbose but report only when a change is made -f, --silent, --quiet suppress most error messages -v, --verbose output a diagnostic for every file processed --dereference affect the referent of each symbolic link (this is the default), rather than the symbolic link itself -h, --no-dereference affect symbolic links instead of any referenced file (useful only on systems that can change the ownership of a symlink) --no-preserve-root do not treat '/' specially (the default) --preserve-root fail to operate recursively on '/' --reference=RFILE use RFILE's group rather than specifying a GROUP value -R, --recursive operate on files and directories recursively The following options modify how a hierarchy is traversed when the -R option is also specified. If more than one is specified, only the final one takes effect. -H if a command line argument is a symbolic link to a directory, traverse it -L traverse every symbolic link to a directory encountered -P do not traverse any symbolic links (default) --help display this help and exit --version output version information and exit EXAMPLES
chgrp staff /u Change the group of /u to "staff". chgrp -hR staff /u Change the group of /u and subfiles to "staff". AUTHOR
Written by David MacKenzie and Jim Meyering. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report chgrp translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
chown(1), chown(2) Full documentation at: <http://www.gnu.org/software/coreutils/chgrp> or available locally via: info '(coreutils) chgrp invocation' GNU coreutils 8.28 January 2018 CHGRP(1)
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