Cron expression tester

More linux commands

• Redirect stderr to file
  command > /tmp/out.log 2> /tmp/err.logcopy

  Split stdout and stderr into separate files

• Capture both streams
  command 2>&1 | tee /tmp/all.logcopy

  Redirect stdout+stderr to file and screen simultaneously

• Replace string in files recursively
  grep -rl 'old_string' /etc/ | xargs sed -i 's/old_string/new_string/g'copy

  Find files containing text, then replace in-place

• Print specific columns with awk
  awk '{print $1, $3}' /etc/passwdcopy

  Print 1st and 3rd fields of a space-delimited file

• Sum a column with awk
  awk '{sum += $2} END {print sum}' file.txtcopy

  Sum values in column 2 of a text file

all 133 linux commands →