Miscellaneous short note on Linux. Part-1


# xfs file system cannot reduce

# YUM is package management tools

# Approximate 64000 package in RHEL

# Alias is used to make shortcut of any command

# Default U mask value of general user is 002

# HDD company --- HITACHI, SEGETE

# Maximum 15 partition support in each HDD

# Default U mask value of root user is 022


# Process is a program which executes to perform a task.

# systemctl command is used to manage all kind of service (enable, disable, status, network )

# To exit from man press q

# Absolute path start from slash (/)

# Relative path starts from my position.

# Linux software extension is .rpm, (for compress file.zip, .tgz)

# All hidden file and directory start with . (dot)

# Two group cannot own the same file.

# /root --- Is the home directory of root user

# Ctrl+c --- terminate running command

# Ctrl+z --- stop running command

# Ctrl+d --- logout from running session. It works as exit command

# Image creating software --- Norton Ghost, Acronis

# Shell is a command language interpreter, which take input from standard input device (keyboard) or any file and execute.

# GNOME  is a desktop Environment 

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