cmd21

miscellaneous
• alias hd='od -Ax -tx1z -v' Handy hexdump. (usage e.g.: • hd /proc/self/cmdline | less)
• alias realpath='readlink -f' Canonicalize path. (usage e.g.: • realpath ~/../$USER)
• set | grep $USER Search current environment
touch -c -t 0304050607 file Set file timestamp (YYMMDDhhmm)