Chmod file type

Change the permission to previously used in unix chmod. I have changed the premission of a file to Is there any command? Change Rights Recursive with chmod. Hello, i want just to change Rights for a few direcories anf files, but some directories must be exclude. OS X Apple. Programatically change which opens a file type.

Hi there, If we have 2 apps on our customers machines that can both open files of a certain file extension, is there any way via shell commands to set which application should be the default? Hi, I want to create one user who has right to run chmod command in solaris, Any Idea? Hi, when I launch my perl script, I write on the shell: perl x. RedHat Commands. OpenSolaris Commands.

Linux Commands. SunOS Commands. FreeBSD Commands. Full Man Repository. Advanced Search. How about adding a permission without removing the existing permissions settings? We can do that easily too.

We need to make it executable for all users. Its current permissions look like this:. The following command would have worked just as well. We can do this with the following command:. No other files have been affected. If we had wanted to include files in subdirectories, we could have used the -R recursive option.

Another way to use chmod is to provide the permissions you wish to give to the owner, group, and others as a three-digit number. The leftmost digit represents the permissions for the owner. The middle digit represents the permissions for the group members.

The rightmost digit represents the permissions for the others. Each of the three permissions is represented by one of the bits in the binary equivalent of the decimal number. So 5, which is in binary, means read and execute. Using this method, you set the permissions that you wish to have; you do not add these permissions to the existing permissions.

So if read and write permissions were already in place you would have to use 7 to add execute permissions. Using 1 would remove the read and write permissions and add the execute permission. We must set the user and group permissions as well, so we need to set them to what they are already.

These users already have read and write permissions, which is 6 This sets the permissions we require for the user, group members, and others to what we require. The users and group members have their permissions reset to what they already were, and the others have the read permission restored. Use Google Fonts in Word.

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Viewed 10k times. Improve this question. Scott Berrevoets Add a comment. Active Oldest Votes. Improve this answer. Guillaume Guillaume 8, 10 10 gold badges 46 46 silver badges 62 62 bronze badges. This won't work in a number of cases, for example if there are any spaces in any of the filenames.