ubuntu

What is vim? Vim is a clone, with additions, of Bill Joy's vi text editor program for Unix. vi/vim used to edit or modify a...

lsof is a command meaning "list open files", which is used to report a list of all open files and the processes that opened...

Access control list (ACL) provides an additional, more flexible permission mechanism for file systems. It is designed to assist with UNIX file permissions. ACL...

The Linux kernel is the engine of our operating system. It is mainly responsible for running the hardware we have and managing computer resources....

There are many commands which can be used in Linux to check CPU information. The information includes details about the processor, its vendor name,...

What is IP Address? An Internet Protocol address (IP address) is a unique identifier assigned to each device connected to a computer network that uses...

netstat (network statistics) is a command-line network tool that displays network connections for Transmission Control Protocol (both incoming and outgoing). It is also monitor...

Users and groups are used on GNU/Linux for access and control to the system's files, directories, and peripherals. So, Every Linux user must know...

top (table of process) command allows users to monitor processes, CPU information and memory utilization in Linux. It is pre-installed on all linux distributions....

System Activity Report (SAR) is a Unix System monitor command used to report on various system loads. So it including CPU activity, memory/paging, interrupts,...