Grepping for the last item in a file
Sometomes you are more interested in the last entry in a log file. Read more >>>
Counting files in a directory
A single liner to count files in a directory. Read more >>>
Use seq to add range of numbers to a loop
The seq command can be used to specify a range in a loop. Read more >>>
Parse an email log file
grep options to find To and From entries. Read more >>>
Run sed over multiple files
Putting the sed command in a loop to modify multiple files. Read more >>>
To change permissions on directories only
Changing permissions on directories only in a file system. Read more >>>
To find processor size
Is the processor in this machine 32 bit ot 64 bit? Read more >>>
Summary of usage using du
Using the -s option of du to find a summary of disk space usage. Read more >>>
Edit a user crontab safely
Crontab files can become system critical, here is how to make sure they are editted safely. Read more >>>
Redirection of command output to the bit bucket
On GNU/Linux systems there are 3 standard sources for input and output called... Read more >>>
Spaces in a filename when using scp
The scp command needs special treatment if filenames contain spaces Read more >>>