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Topics: shell

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Keep SSH Sessions Active, Or Reconnect?

By lazyweb : 04 February 2010 - 04:43 PM
Over on Slashdot user borjonx writes "Is it safer to log out of an SSH session, and re-establish it later, or just keep the connection open? Like many of you, I use OpenSSH to connect to my Slack...
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How to Clean Up after a Tarball or Zipball Explodes

By mike-loukides : 29 January 2010 - 05:53 PM
Don't you hate it when someone sends you a big fat tar or zip file full of lots of files, and didn't bother to put everything in one folder? If you extract it unawares, you get dozens--maybe ...
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- zip
- tar
- bash
- shell
- jar
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"Traditional" loops in shell scripts

By mike-loukides : 06 December 2009 - 12:21 PM
How do you write a "traditional" loop (say, to go through some block of code 25 times) in a Unix shell script? In bash, it's simple: for ((i = 0; i < 25; i++ )) do ... done You...
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shell programming for loop

Asked by dondasanjay : 27 November 2009 - 08:31 PM

Answered by KBenson : Nov 29 2009 09:55 PM
For bash: Use double parenthesis to indicate you want ARITHMETIC EVALUATION (see the bash man page) if you are looking for a traditional C-style loop: $ for ((i=1; i<10; i++)); do echo $... full answer >
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How to use and understand "whois" in its many forms

By tcpiplab : 16 October 2009 - 05:19 PM
The whois command line utility, available on all modern Unix and Linux variants, can be a fast, concise, and scriptable way to identify unknown and distant hosts, networks, and even netadmins. By the ...
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How to Deal with Spaces and Odd Characters in Filenames

By tietack : 12 October 2009 - 01:00 PM
Sometimes, the defaults associated with Linux shells are annoying. For example, the spaces associated with many Microsoft directories, such as My Directory, can adversely affec...
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