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15
votes
3answers
3k views

How is install -c different from cp

What is the difference between install -c and cp? Most installations tend to use install -c, but from the man page it doesn't sound like it does anything different than cp (except maybe set ...
8
votes
2answers
1k views

Making bash TAB completion more like cmd.exe [duplicate]

I wondered if theres a way to do rotational style completion in bash similar to the behavoir on cmd.exe, I've found it speeds me up in regard to entering commands
1
vote
3answers
242 views

Read everything that has been echo'd and 'errored' to terminal window?

I've inherited a complex shell script running on OSX that gets run on a crontab. Within the script I would like to periodically read everything in the terminal window and write it to another file... ...
2
votes
2answers
4k views

What happens to the environment when you run “su -c”?

What happens to the environment when you run "su -c"? The reason I ask, is this mysterious behavior: bash$ which firefox /usr/local/bin/firefox bash$ su - user -c "echo $PATH" ...
11
votes
2answers
36k views

What exactly is the sh command?

I can't figure out what the sh command is? http://unixhelp.ed.ac.uk/CGI/man-cgi?sh Does it execute a file? like in tomcat: sh /usr/local/tomcat/bin/shutdown.sh Sorry, just confused.
3
votes
1answer
491 views

Forcibly break a for loop in sh

If I run a for loop on the command line in sh, and I press control-C, it usually cancels the current running process, so I need to hold ^C until the shell itself catches it and breaks the loop. Is ...
4
votes
2answers
225 views

shell dotfiles and *rcs: what's a sane setup?

A bash user will eventually end up with .bashrc, .bash_profile, .profile, and maybe some more. Now, each file gets loaded unders particular situations, and it all leads to confusion and frustration. ...