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Columbia VLSI

January 21, 2026

Digital VLSI Circuits Design Design Digital VLSI Circuits Columbia Integrated Systems Laboratory, Columbia University, 2009 Design an 8-bit microcontroller core, implemented in TSMC CMOS process, Digital VLSI Circuits Designed an 8-bit microcontroller core to perform essential functions within the clock distribution system. Score: 95/100 Project Overview: Completed a professional report under the guidance of Professor Kenneth… read more »

chgrp

March 24, 2016

>newgrp project_name_old >cp project_name_old/debug.tcl . >exit >newgrp current_project_name >chgrp current_project_name debug.tcl # old script access permission for other users should be modify to current project >chmod 775 debug.tcl Copy old project scripts debug.tcl to current project, let other users in current project to access to debug.tcl.

echo_$DISPLAY

February 23, 2016

echo $DISPLAY shvcut03:29.0 gvim ~/.display setenv DISPLAY shvcut03:29

Linux/Unix file permissions

April 14, 2019

Permission Types Each file or directory has three basic permission types: read – The Read permission refers to a user’s capability to read the contents of the file. write – The Write permissions refer to a user’s capability to write or modify a file or directory. execute – The Execute permission affects a user’s capability… read more »

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