Bash Linux commands

Check file name portability

pathchk

Test a network connection

ping

Stop processes from running

pkill

Restore the previous value of the current directory

popd

Prepare files for printing

pr

Printer capability database

printcap

Print environment variables

printenv

Format and print data •

printf

Process status

ps

Save and then change the current directory

pushd

Print Working Directory

pwd

Display disk usage and limits

quota

Scan a file system for disk usage

quotacheck

Set disk quotas

quotactl

ram disk device

ram