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13 votes
2 answers
4k views

How portable is a gzip file over 4 GB in size?

To backup a snapshot of my work, I run a command like tar -czf work.tgz work to create a gzipped tar file, which I can then drop in cloud storage. However, I have just noticed that gzip has a 4 GB ...
Peter B's user avatar
  • 233
17 votes
3 answers
23k views

stat: modification timestamp of a file

I use stat -f %m .bashrc to get modification time of my .bashrc on osx. But when I run the same command on ubuntu, it spits error: stat: cannot read file system information for %m': No such file or ...
del bao's user avatar
  • 303
3 votes
1 answer
2k views

Will an `unlink` or `rename` portably and atomically make a `link` fail?

Question Suppose I have some non-directory (file, named pipe/socket, whatever) at the pathname /tmp/foo and some other non-directory at the pathname /tmp/bar. Then two (or more) processes start ...
mtraceur's user avatar
  • 1,176
1 vote
4 answers
988 views

thoroughly find all links (hard and symlinks, and any combination thereof) leading to a file/dir [duplicate]

I want, only using "basic" commands (for maximum portability) (i.e., something that would work on AIX / Linux / etc., not just something using a recent nicety ^^), to find all the files (symlinks, ...
Olivier Dulac's user avatar