27 lines
883 B
Perl
27 lines
883 B
Perl
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The chmod command takes the following parameters:
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chmod($mode, $filename);
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You can pass more than one file name.
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The $mode value is a numeric value based on UNIX file permissions
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The $mode value is usually specified in octal notation.
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To mark a file as read-only, you can use the following command:
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chmod(0444, $filename);
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UNIX File Permissions is listed in the following table.
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Value Meaning
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0400 Owner of file has read permission.
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0200 Owner has write permission.
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0100 Owner has execute permission.
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0040 All users in same group have read permission.
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0020 Group users have write permission.
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0010 Group users have execute permission.
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0004 All users have read permission.
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0002 All users have write permission.
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0001 All users have execute permission.
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The leading zero means these values are octal.
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