top Command in Linux

The top command is used for monitoring a UNIX-like system continuously for processes' usage of system resources like the CPU time and memory.

September 24, 2018

ps command usage with examples in Linux

The ps command gives information about processes on a Linux or Unix system. ps command is explained with examples.

September 24, 2018

The man command output is useful in multiple ways. Steps for formatting the man command output for printing are listed.

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September 24, 2018

System calls and functions associated with execution times under Linux and Unix operating systems are explained.

September 24, 2018

The calendar time is the number of seconds since January 1, 1970 00:00:00 UTC, which is the Epoch for keeping time in Linux.

September 24, 2018

The hardware real time clock is a part of computer's hardware, powered by a battery and keeps on running even when the system is off.

September 24, 2018

How to start a program automatically in Linux after system start up and after network system has become available.

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September 22, 2018

Resolution of a kernel runtime problem, kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0).

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September 22, 2018

Multi-boot systems with Linux and Windows are quite common. This tutorial covers the steps required to mount Windows partitions under Linux.

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September 22, 2018

make is a utility for building programs. make concepts, predefined and automatic variables, implicit and pattern rules are explained.

September 21, 2018