Commands by frozenvortex (1)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Replace spaces in a filename with hyphens
As long as you have perl based rename. You can check: =$ rename --help Unknown option: help Usage: rename [-v] [-n] [-f] perlexpr [filenames] That's the good one.

Bind a key with a command
Now type Ctrl-l and it will list all files

Compare two directory trees.

Create a new file

Make vim open in tabs by default (save to .profile)
I always add this to my .profile rc so I can do things like: "vim *.c" and the files are opened in tabs.

Find the package that installed a command

Hits per hour apache log

Show what PID is listening on port 80 on Linux

Quick searching with less
This command enables the user to append a search pattern on the command line when using less as the PAGER. This is especially convenient (as the example shows) in compressed files and when searching man pages (substituting the zcat command with man, however).

Current running process ordered by %CPU
Useful to detect which process is causing system loads. It shows process PID so as we can take further actions.


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