what does this command do? cat f1 f2 .. > f1
58929
redirect to the same file as the source file processed by the command
1037
Using vim's f command over multiple lines
2195
What does the l command do?
119575
How are parentheses interpreted at the command line?
909
What is this shell/Bash syntax: someVariable=someValue someCommand
51400
What does the number in parentheses shown after Unix command names in manpages mean?
133988
"cat" command: how to automatically escape everything that might be a violation?
30612
What is use of command: `command`?
50672
C - What is this syntax about? <<
115557
How do Fn keys work?
155152
What does [&] mean before function?
17952
What happens when I run the command cat /proc/cpuinfo?
140037
How does "mov (%ebx,%eax,4),%eax" work?
124924
Number in name of commands?
27509
What does "Ctrl + Alt + F12" do?
43364
Why is “while ( !feof (file) )” always wrong?
50456
What does the 'grep' command do?