What does "opt" mean (as in the "opt" directory)? Is it an abbreviation?...

Is there a way to make bash job control quiet?...

How can I use 'find' to search for files created on a specific date?...

find-command: search with created time...

How can I generate Unix timestamps?...

Extract file basename without path and extension in bash...

What’s the difference between running a shell script as ./script.sh and sh script.sh?...

How to get whether the OS is 32-bit or 64-bit by UNIX command or in C?...

How can I pipe initial input into process which will then be interactive?...

Unix-style tools on Windows?...

Print a file's last modified date in Bash...

What happens in an interrupt service routine?...

wget to clone a website, with links to directory not index.html...

sed edit file in-place...

Differentiate between a unix directory and file in C and C++...

What to do if a posix close call fails?...

How to find and replace text with variable (variable holds Unix scripts) using sed or awk command...

OSError - Errno 13 Permission denied...

Can the Unix list command 'ls' output numerical chmod permissions?...

Why doesn't Linux follow Unix syscall conventions?...

How can I minify JSON in a shell script?...

Forcing "date" to use a locale other than the machine default...

Windows Equivalent of 'nice'...

Making the "ls" command sort "a" before "B" (vs. a → b → A → B)...

Sort 'ls' output by name...

How do I check if a directory exists or not in a Bash shell script?...

How to detach a forked process from parent in C...

Does cmp command not use ASCII encoding for bytes?...

How to sort a file in-place?...

How can I get the memory of one process in Linux...