~/.bash_profile HowTo - Linux / Unix Q & A from nixCraft

How to add to bash $PATH permanently on Linux

last updated November 17, 2016 in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, UNIX

I am a new Linux and bash shell user. How do I permanently set $PATH on Linux? How can I permanently add a directory to shell PATH on Linux?

OpenSSH Config File Examples

last updated May 15, 2018 in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, OpenBSD, RedHat and Friends, Suse, UNIX

How do I create and setup an OpenSSH config file to create shortcuts for servers I frequently access under Linux or Unix desktop operating systems?

Mac OS X: Set / Change $PATH Variable

last updated March 8, 2016 in BASH Shell, Commands, Mac OS X, UNIX

I need to add dev tools (such as JDK and friends) to my PATH. How do I change $PATH variable in OS X 10.8.x? Where does $PATH get set in OS X 10.8 Mountain Lion?

Linux: TMOUT To Automatically Log Users Out

last updated May 18, 2011 in BASH Shell, Linux

How do I auto Logout my shell user in Linux after certain minutes of inactivity?

Linux: Set Environment Variable

last updated March 29, 2012 in BASH Shell, Linux

Bash shell is used for various purposes under Linux. How do I customize the shell environment variable under Linux operating systems?

Bash History: Display Date And Time For Each Command

last updated January 30, 2018 in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, Mac OS X, RedHat and Friends, Suse, UNIX

How do I display shell command history with date and time under a Linux, MacOS or Unix-like operating systems?

Linux: Change the PATH [ Add New Directory ]

last updated February 1, 2011 in Linux

How do I change the PATH settings under Linux operating systems and add a new directory to $PATH under bash shell?