The meaning of file and directory permissions
{"Image DocumentName": "The meaning of file and directory permissions", "Image ImageDescription": "Read permission. For a file, having read permission allows you to view the contents of the file. For a directory, having read permission allows you to list the directory s contents. Write permission. For a file, write permission allows you to modify the contents of the file. For a directory, write permission allows you to alter the contents of the directory, i.e., to add or delete files. Execute permission. For a file, execute permission allows you to run the file, if it is an executable program, or script. Note that file execute permission is irrelevant for nonexecutable files. For a directory, execute permission allows you to cd to the directory, and make it your current working directory. Compiled by S. Agarwal, SXCC, Kolkata.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}