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96
votes
4answers
13k views

/usr/bin vs /usr/local/bin on Linux

Why are there so many places to put a binary in Linux? There are atleast these five: /bin/ /sbin/ /usr/bin/ /usr/local/bin/ /usr/local/sbin/ And on my office box, I do not have write permissions ...
9
votes
1answer
4k views

how to convert a shell script into binary executable?

I want to convert my shell scripts into binary executable so that nobody else could edit or read it.Is there any way to convert it into binary executable?
4
votes
3answers
781 views

Mystery of binary files

This is about files straight from the compiler, say g++, and the -o (outfile) flag. If they are binary, shouldn't they just be a bunch of 0's and 1's? When you cat them, you get unintelligible ...
5
votes
1answer
101 views

Loop through binary data chunks from stdin in Bash

I'm looking for something like while IFS= read -r -n $length str; do ... done but for binary data. Is it possible to do this using dd or other tools? Is there some technique to make these tools able ...
2
votes
1answer
751 views

skype not found on Oneiric 64, but it is right there [duplicate]

Possible Duplicate: Can't execute some binaries in chroot environment (zsh: Not found) I have something weird here. Cannot find a file although it is right there. $ skype command not ...
2
votes
1answer
198 views

Modifying a set of binary files

I have several binary files with the character 0x04 in them, and I'd like to add an escape \ character before each. Is there a script I can use to do this without needing to manually edit each one?