shell HowTo - Linux / Unix Q & A from nixCraft

awk / cut: Skip First Two Fields and Print the Rest of Line

July 13, 2011January 21, 2018in BASH Shell, Debian / Ubuntu, Linux, RedHat and Friends, UNIX last updated January 21, 2018

I would like to skip first two or three fields at the the beginning of a line and print the rest of line. Consider the following input:
This is a test Giving back more than we take
I want my input file with the following output:
a test more than we take
How do I printing lines from the nth field using awk under UNIX or Linux operating systems?

Bash Remove Last Character From String / Line / Word

April 26, 2011April 12, 2014in BASH Shell, Linux, UNIX last updated April 12, 2014

I have a file of that looks as follows:

foo bar
tom jerry
UNIX Linux

Each word and/or Linux is a different length. How do strip or remove the last character from each line using bash or ksh shell only?

Linux Display System Statistics Gathered From /proc

March 18, 2011March 18, 2011in Linux last updated March 18, 2011

How do I display information from /proc such as memory, Load average, uptime, page activity, context, disk status, interrupts using a shell or perl script?

HowTo: Upgrade Debian 5.0 (Lenny) To Debian 6.0 (Squeeze)

February 6, 2011in Debian / Ubuntu last updated February 6, 2011

Debian 6.0 “Squeeze” has been released and how do I upgrade to Debian GNU/Linux 6.0 from the previous release, Debian GNU/Linux 5.0 (“Lenny”) using command prompt?

Linux exec-notify: Find Out Shell Escaping Applications [ Security Monitoring ]

January 6, 2011in BASH Shell last updated January 6, 2011

How do I watch or monitor applications that executed on a system and executes external programs via “bash”?

Verify: SSL Certificate Under OpenSSL

December 7, 2010in UNIX last updated December 7, 2010

All UNIX / Linux applications linked against the OpenSSL libraries can verify certificates signed by a recognized certificate authority (CA). How do I verify SSL certificates using OpenSSL command line toolkit itself under UNIX like operating systems without using third party websites?