Commands by sayyadali (0)

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    bash: commands not found

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Submit command & rewrite orginal command
Similar to entering a command, but will not erase the command from the command line. Basically a shortcut from entering command, then pushing the up arrow key.

Search some text from all files inside a directory

spawn shell listener service with nc

Calculate days on which Friday the 13th occurs
Simply change the years listed in the first seq, and it will print out all the months in that span of years that have Friday the 13ths in them.

Delete backward from cursor, useful when you enter the wrong password

change exif data in all jpeg's
this takes every jpg in the current directory and changes the exif data for manufactur and model. in my case i change it to LOMO LC-A because my scanner puts his data in there :]

revert a file with svn

Determine whether a CPU has 64 bit capability or not
Check if you have 64bit by looking for "lm" in cpuinfo. lm stands for "long mem". This can also be used without being root.

Print number of mb of free ram

Remove empty directories
It only works in zsh

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