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USER ENVIRONMENT (STARTUP FILE PITFALLs (Don't put X command in a…
USER ENVIRONMENT
SHELL STARTUP FILE ELEMENTS
The Command Path
/usr/local/bin
/usr/bin
/usr/X11R6/bin
/bin
All applications are contained by these directories
The Manual Page
Path
/usr/local/man:/usr/man:/usr/X11R6/man:$HOME/man
Permission Mask
022
provide another user can read your files and directories
077
not allow another user access your files and folders
it's useful for multiple user
Base Permission: 666
THE BASH SHELL
Interactive Shell
Login Shell
None - Login Shell
use to run command from terminal
None - Interactive Shell
Doesn't require input from terminal
DEFAULT USER SETTINGs
Shell
bash shell
Editor
vi
or
emacs
Pager
less
STARTUP FILE
PITFALLs
Don't put X command in a shell startup file
Don't display the DISPLAY environment variable in a shell startup file
Don't set terminal type in a shell startup file
Please comment code clearly
Don't run command in startup file that prints to standard output
Never set LD_LIBRARY_PATH in a shell startup file