Linux: BASH Shell Misc Tips

By Xah Lee. Date:

How to find the exit code of last shell command?

In bash, echo $? prints the exit code of last command.

kill, bash builtin or /bin/kill ?

If you are using bash, type type kill to find out.

In Ubuntu 12.04, clearly it's calling the bash version. You can confirm by comparing the output of:

kill -l

/bin/kill -l

How do i start bash without loading any init files?

bash --noprofile --norc

See also: Bash Init (Profile), .bashrc .profile .bash_profile .

How to do set font for xterm?

In xterm, hold Ctrl then right click to change font size. Also, Left and middle click change other options.

Linux Shell Basics

Directory and Files

Compress, Archive, Download

Text Processing

User, Group, File Perm

misc

Process, Job Control

Bash/Terminal

Linux Desktop