Tag: technology

You only can list the contents of that directory.

You can change to that directory.(Making that directory as present working directory)

You can create new content inside that directory.

Write permission for a directory wont effect anything.

Files have default permission as rw-rw-r--.and for directory it is as rwxrwxr-x

Files have default permission as r--r--r--.and for directory it is as r-xr-xr-x

Files have default permission as rw-rw-rw-.and for directory it is as rw-rw-rw-

None of the above.

lsof

ls .open

lsopen

lsof -x

Request kernel to kill a process

Ask user to terminate the process or not.

There os no such command exist.

Order kernel to kill a process.

First command will display the file in sorted order.But second result an error.

Second command will display the file in sorted order.But first result an error.

Both give the same result, Display the file in a sorted order.

Both command will work but only first result in a sorted file.

date command gives current date and time and time , time command wont exist in Linux.

date command gives current date and time , time command wont give current time.

date command gives current date , time command gives current time.

date command gives current date and time , time command gives current time.

lxdm & ldm

ldm & adm

adm & lxdm

xdm & adm

fg

jobs

ps -backgound

front

Hard links share the same data blocks on the hard disk.Where as for soft link seperate file is created.

Hard link: Associate two or more file names with the same inode.Where as soft Link is a small file pointing to another file.

Both as same in case of implementation, only difference is in the size of new file created.

Hard Link create a new seperate file and that is not related with old file.A soft link contains the path to the target file instead of a physical location on the hard disk.

view

controller

Model

1 & 2

2 & 3