ibps-so 2016 · Question 27 of 394

The same operator on the night shift, having reached the directory in which the settlement scripts are kept, must satisfy himself that the le which the day's batch is to consume has in fact arrived from the clearing house before he starts the run. He is told to issue one command, with no argument at all, which will write to his terminal the names of the entries held in the directory in which he is standing, and which, with the appropriate options, will additionally show against each entry its permissions, its owner, its size and the time at which it was last modi ed. The Linux command ls is used to:

1. APrint the contents of a named le upon the terminal
2. BList the contents of a directory, that is, the names of the les and subdirectories it holdsCorrect
3. CSearch the named les for the lines that match a given pattern
4. DReport the amount of free space remaining upon the mounted le systems
5. EChange the permissions carried by a named le or directory