alias ll="echo L"@Nll x
alias e="echo " x=X@Ne x
alias ls=ls@Nls -d /
alias ll="echo L"@Nf() { ll; }; f
alias ll="echo L"@Neval "ll e"
alias ll="echo L"@Necho $(ll s)
alias a=b c="d e"; alias; echo st=$?
alias a=b; alias a; alias zz; echo st=$?
alias a=b; unalias a; alias; echo st=$?
unalias zz; echo st=$?
alias a=b c=d; unalias -a; alias | wc -l
alias ll="echo L"@Nunalias ll@Nll; echo st=$?
alias q="echo 'x y'"@Nq; alias q
jobs; echo st=$?
sleep 1 & jobs; echo st=$?
bg; echo st=$?
fg; echo st=$?
sleep 1 & fg %1; echo st=$?
hash ls; echo st=$?
hash nosuch; echo st=$?
hash; echo st=$?
ls >/dev/null; hash
hash -r; hash; echo st=$?
type ls cd exit if nosuch; echo st=$?
f(){ :; }; type f
alias ll=ls@Ntype ll
ls >/dev/null; type ls
type ./x; echo st=$?
ulimit -n; ulimit -Hn; ulimit -Sn
ulimit; ulimit -f
ulimit -s; ulimit -c; ulimit -t; ulimit -v; ulimit -l; ulimit -m; ulimit -d
set -o vi; set -o emacs; echo st=$?
command -v alias; command -v jobs
alias q="'a''b'"; alias q
kill -HUP 999999 2>/dev/null; echo st=$?
echo a\
find /dev/null -exec echo \{} \
[ "<" = "<" ]; echo st=$?
