File locking in LinuxFile descriptors and i-nodes A file descriptor is an index in the per-process file descriptor table (in the left of the picture). Each file descriptor table entry contains a reference to a file object, stored in the file table (in the middle of the picture). Each file object contains a reference to an i-node, stored in the i-node table (in the right of the picture). A file descriptor is just a num
What is the best way to ensure only one instance of a Bash script is running?
