SchoolSchool LinuxInvalid DateEntry 2 pwd ls mkdir rmdir cd touch mv cp rm Entry 3 more less echo cat | Entry 4 ls mkdir rm mv cp Entry 5 grep egrep find Basic 1-1 fmt wc head tail Basic 1-2 split cut tr Frontend PlaygroundPrevious Page
Entry 2 pwd ls mkdir rmdir cd touch mv cp rm Entry 3 more less echo cat | Entry 4 ls mkdir rm mv cp Entry 5 grep egrep find Basic 1-1 fmt wc head tail Basic 1-2 split cut tr