Sunday, February 24, 2019
Grep Command: The grep command, which means a global regular expression print, it remains amongst the most versatile commands in a Linux terminal environment. String : A string is a contiguous sequence of values, such as a character string and a binary digit...
Linux: Linux is a Unix-like, open source and community-developed operating system for computers, servers, mainframes, mobile devices and embedded devices. Every file and directory in Unix/Linux system have three permissions. They are read, write and execute. READ File/Folder Permission:  The Read permission gives the permission...
A system administrator should know who is on the system at any particular time. We can find the list of users currently logged in the system and their geographical locations through SSH command easily.Command to list currently logged-in users : The...
Grep  Comment: Sometimes we need to search for a word in the location of a given file or in a certain directory. In such cases grep command is used to accomplish the status. 'Grep' is the frequently used Unix or Linux command in...
Linux: Linux is a free and open-source operating system that was first developed by Linus Torvalds and friends that was first announced on August 25, 1991.GREP Command: The 'GREP' is a command line search utility or tool to filter the input given to it. The 'Grep'...