Bash unset environment variable
[DOC File]Manual
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unset ... set an environment variable (C shell only) stty - set terminal options. ... (C shell, bash, and ksh only) stty - set terminal options. uptime - show system load, how long system has been up. w - show who is on system, what command each job is executing. who - …
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Nov 10, 2009 · Note: When you are setting the Oracle environment variables for each RAC node, ensure to assign each RAC node a unique Oracle SID! For this example, I used: linux1 : ORACLE_SID=orcl1 . linux2 : ORACLE_SID=orcl2 . After creating the "oracle" UNIX userid on both nodes, ensure that the environment is setup correctly by using the following .bash ...
[DOC File]WordPress.com
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The X windows system is a fully network-aware graphical user environment, and it is available for many different computing systems. To tell this application that you want to have its windows displayed on your host's screen, you have to set the DISPLAY environment variable: $ …
how to view, edit, unset and delete an environment ...
The TERM environment variable is preserved, if it exists (other environment variables are preserved if the -p option is used). Then the HOME, PATH, SHELL, TERM, MAIL, and LOGNAME environment variables are set. ... unset i. Next the ~/.profile (if you are an "sh" user) or ~/.bashrc (if you are a "bash" user) will execute. ... (if you are a "bash ...
[DOC File]L120: Linux System Administration II
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On the bash shell, use export VAR=”value”. ... The file indicated by the environment variable TCOFFEE_DEFAULTS-special_mode. Usage: -special_mode= hard coded mode. Default: not used. It indicates that t_coffee will use some hard coded parameters. These include: ... Default: -unset. Guide tree used in DPA. This is a newick tree where the ...
[DOC File]Tel Aviv University | Tel Aviv University
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Command Description (or apropos) alias set an alias for a single or a sequence of commands (see man builtins or help alias) echo print text to STDOUT env list variables that have been exported (see man builtins or help env) exec Shell built-in used to execute new programs but instead of starting a new sub-process it replaces the calling process ...
[DOC File]L110: Linux System Administration I
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Global environment variables are set by your login shell and new programs and shells inherit the environment of their parent shell. Local shell variables are used only by that shell and are not passed on to other processes. A child process cannot pass a variable back to its parent process.
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Command Description test test(1) – check file types and compare values unset (bash built-in) command that removes a variable value or a function env print all exported (global) variables defined in the current shell export (bash built-in) command that makes a variable part of the environment of subsequent processes set (bash built-in) command ...
[DOC File]What happens when you Login - Seton Hall University
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This environment variable specifies the login shell as well as the shell that interprets the command if preceded with a shell escape. Variables used in Bash and Korn The Bash and korn prompt can do much more than displaying such simple information as your user name, the name of your machine and some indication about the present working directory.
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