Linux command note (2)

Linux command note (2) assign values. do not enter spaces around the equal sign in vi # starting with description ,#! For special instructions vi ~ /. Bashrc & mdash; open the bash configuration file vi ~ /. Exrc & mdash; & mda linux command note (2) "=" value assignment, do not include spaces around the equal sign. in vi, # starts with a description ,#! For special instructions vi ~ /. Bashrc ------ open the bash configuration file vi ~ /. Exrc --------- open the vi configuration file gcc-c hello. c only generates the compilation file hello. c gcc hello. o-o new file name abc generate the execution file and rename it abc-E prepare preprocessing-S into assembler XXXX. s ing operation and & or | exclusive or ^ 1 1 1 1 0 1 0 0 1 0 1 0 1 1 0 0 0 0 0 0 & usage: check whether a digit is 1 or 0. set a digit to 0.