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What does cp do if the file exists?
cp copies files to a target named by the last argument on its command line. If the target is an existing file, cp overwrites it; if it does not exist, cp creates it. If the target file already exists and does not have write permission, cp denies access and continues with the next copy.
What happens when you give the following commands if the file named done already exists cp To_do done?
What happens when you give the following commands if the file named done already exists? Either command overwrites done with the contents of to_do.
Which commands can you use to determine who is logged in on a specific terminal quizlet?
Which commands can you use to determine who is logged in on a specific terminal? who lists users on the system, finger for local and sometimes remote, whoami I to figure out who you are on the system.
How can you keep other users from using write to communicate with you why would you want to?
How can you keep other users from using write to communicate with you? Why would you want to? Give the command mesg n to keep other ordinary users from writing to your terminal. You can take this action when you do not want to be disturbed or are viewing something on your screen that you do not want overwritten.
What happens if there are two file names in a command?
Two file names : If the command contains two file names, then it copy the contents of 1st file to the 2nd file. If the 2nd file doesn’t exist, then first it creates one and content is copied to it. But if it existed then it is simply overwritten without any warning. So be careful when you choose destination file name.
When to fail the MV operation on a file?
Fails the mv operation on a file if the fixed extent size or space reservation of the file cannot be preserved. Ignores any errors in preserving extent attributes. Issues a warning if the space reservation or the fixed extent size of the file cannot be preserved.
Can a mv command be used to delete a file?
You can use the mv command to move files within the same file system or between file systems. Whether you are working in one file system or across file systems, the mv command copies the file to the target and deletes the original file.
Why does the mv command not move objects?
The mv command will not move an object if the object is exported as an NFS version 4 referral. The referral object is marked as busy and remains so until it is unexported. Note: The I/O buffer size for the read and write system calls generated by this command can be configured by using the AIX_STDBUFSZ environment variable.