5 months ago206_how to "add the read and execute permission to the group permission set" with "chmod"HowToBash
5 months ago205_how to "add the write and execute permission to the group permission set" with "chmod"HowToBash
2 months ago317_how to "see the process id of the current instance of the shell" with echo $$HowToBash
6 months ago114_what is the difference between the cd, cd -, and the pushd and popd commands?HowToBash
5 months ago213_how to "add the write and execute permission to the other permission set" with "chmod"HowToBash