Knowledgebase

what is the command 'ls' used for?

ls – list directory contents.

Format ls [options] file

Eg1: ls –a /data1

List also the hidden files in directory data1

Eg1: ls /data1

Here it list the contents of the directory data1

Eg2: ls –l /etc

Here it displays the information about the files in the directory ‘etc’

Eg3: ls –ld /etc

Here it displays the information about the directory ‘etc’.

tail – print the last 10 lines of the named file.If more than one file is specified...

du- estimates the file space usage. Format: du [options] [file]...

grep- search one or more files that matches a regular pattern Format:...

cp - copy files and directories. Format: cp [options] source...

mv – renames and move files Format mv...