105.1 Customize and Use the Shell Environment LPIC-1 Practice Questions (Page 2)

Questions 6–10

1. 6application · easy

   A user wants to create a shortcut so that typing `ll` runs `ls -l --color=auto` and have it available in every new interactive shell. Which configuration should they add to ~/.bashrc?

   • Afunction ll { ls -l --color=auto; }
   • Balias ll='ls -l --color=auto'
   • Cexport ll='ls -l --color=auto'
   • Dll() { ls -l --color=auto; }
   Reveal Solution Discussion Select an answer first
2. 7application · medium

   A user wants to set a default editor for all programs that use the EDITOR environment variable, and they want it to apply to all future login sessions. Which file should they modify?

   • A/etc/profile
   • B~/.bashrc
   • C~/.bash_logout
   • D~/.bash_profile
   Reveal Solution Discussion Select an answer first
4. 8application · easy

   A user wants to set an environment variable that will be available to all child processes started from their shell, but they do not want it to persist across reboots. Which command should they run?

   • Aecho MYVAR=value >> ~/.bashrc
   • BMYVAR=value
   • Cexport MYVAR=value
   • Dset MYVAR=value
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5. 9foundation · easy

   In a PS1 prompt string, which escape sequence displays the current working directory?

   • A\h
   • B\w
   • C\u
   • D\t
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6. 10foundation · easy

   Which command removes the environment variable TEMP from the current shell's environment?

   • Aclear TEMP
   • Bdelete TEMP
   • Cunset TEMP
   • Dexport -n TEMP
   Reveal Solution Discussion Select an answer first